Factorization of generalized Fermat numbers
for small indices  m

Overview extending material contained in the paper

Anders Björn and Hans Riesel, Factors of generalized Fermat numbers,
Math. Comp. 67 (1998), pp. 441-446 (reference BR98 in the Prime Pages).

Compiled by Wilfrid Keller

All factorizations for  m ≤ 8  completed in December 2022 !


  a   b   m: factorization  [new factors in blue color]
--------------------------------------------------------------------------------

  3   1   0: 1,  1: 5,  2: 41,  3: 17.193,  4: 21523361,  5: 926510094425921 
          6: 1716841910146256242328924544641 
          7: 257.275201.138424618868737.3913786281514524929.P21 
          8: 12289.8972801.891206124520373602817.P90 
          9: 134382593.22320686081.12079910333441.100512627347897906177.
               18520354538401444499841570033918296309456534611568\
               2981302539679248192554448695865898272140289.P101 
         10: 59393.448524289.847036417.C466 
         11: 790529.524455937.C963 
         12: C1954 
         13: 8468256208273409.C3893 
         14: 7814629721992554719390301061121.
               48453474888340457194894615152904765441.C7749 
         15: 65537.786433.3041503300933451777.951901181416549122049.C15584 
         16: 33033842491392559808513.C31246 
         17: C62538 
         18: C125075 
         19: 13631489.72029899522572289.C250125 
         20: C500298 
         21: 155189249.114135647911937.9434973308190721.C1000558 
         22: 512349003254811590657.C2001171 
         23: C4002383

  3   2   0: 5,  1: 13,  2: 97,  3: 17.401,  4: 3041.14177
          5: 1153.1607133116929 
          6: 769.121899667073.36629538145348481 
          7: 257.P59 
          8: 72222721.343200070657.2226198380033.
               3376663028737.1839605176202823817996787333633.P48 
          9: 4043777.57987375533057.
               406297848379393.296909426637032277938768757025793.
               1440276254252769698681054259953238091664449537.
               2236335363090199099071989377913382509011409921.P87 
         10: 2330249132033.10176954088500686156890644481.C449 
         11: 625483777.4910460769317099419184178986913042832453633.C926 
         12: 286721.1810433.C1943 
         13: 14496395542529.100044919126633332737.
               1417886011057772761662821415960281089.C3840 
         14: 2752513.3684688527361.
               6391459250177.67501891551233.166638802232307548161.C7752 
         15: 65537.348061697.151597350913.C15610 
         16: 319291393.3937533953.C31251 
         17: 54498164737.7954711857785277738431807489.C62499
         18: 9835454533111783841333249.C125050
         19: 7340033.13631489.18682824622081.C250129 
         20: 23068673.C500291
         21: 2878894768129.C1000584
         22: 453236490241.C2001180
         23: 106216554497.277196316868609.C4002358

  4   3   0: 7,  1: 5.5,  2: 337,  3: 17.4241,  4: 4338014017 
          5: 11969.1541364950613953 
          6: 337153.1009281751473729386230842057136129 
          7: 257.P75 
          8: 75312448711023950033227312129.P126 
          9: 52996750337.59577991748609.218006702009297259268280227412993.
               171508794008544584341528042030314497.P217 
         10: 147457.50157582448776955667389571090866177.C577 
         11: 14012417.1332929273857.13263651112295971469683628978177.
               60839036773930407240919299371009.C1151 
         12: 48070657.53619326977.2398726908928001.
               1195961298147151709581729793.
               14529598066721471235210958841856001.C2387 
         13: 2281538378663182337.C4914 
         14: 21626881.15648604597172168603136527650455553.C9823 
         15: 65537.667540318343441154049.C19703 
         16: 58851329.89522177.192544769. 
               3616871660126209.22779349324501296574365697.C39392
         17: 270833286381569.C78899 
         18: 260571137.667131376201891841.24810655860900495361.C157781
         19: 13631489.3379146503749633.C315631 
         20: 292533213069313.4318175780929537.C631276
         21: C1262612
         22: C2525223
         23: C5050446

  5   1   0: 3,  1: 13,  2: 313,  3: 17.11489,  4: 2593.29423041 
          5: 641.75068993.241931001601 
          6: 769.3666499598977.96132956782643741951225664001 
          7: 257.23653200983830003298459393.P62 
          8: 1655809.101199664791578113.4563566430220614493697.
               12025702000065183805751513732616276516181800961.P88 
          9: 19457.23606273.236554494714698753.C329 
         10: 222098200322834700098885633.2572682777891009859905092988929.C659 
         11: 1503233.18395137.C1418 
         12: 125960554963956072449.C2843 
         13: 163841.2405576034895487214392845762561.C5691 
         14: 1367005311397627489855671697409.
               28179909134980218971238166865805313.C11388 
         15: 65537.152297193534717953.C22882 
         16: 39714817.354004455607901970620743681.C45774 
         17: 786433.4643094529.47148957697.43547626242440987934721.C91567 
         18: 14155777.C183224 
         19: 7340033.6616514561.C366445  
         20: 729938285969318871041.C732903  
         21: 19988838858438475777.C1465827  
         22: C2931693  
         23: 167772161.21937552097281.
               2149328346352189441.2981400801699641172164609.C5863321

  5   2   0: 7,  1: 29,  2: 641,  3: 17.22993,  4: 97.1573071713 
          5: 193.102593.1175885676400129 
          6: 274568286337.1974376186976624976974230015921793 
          7: 257.115201.152833.79280897.2076762034602227299841.P48 
          8: 211457.993793.215579097177089.1366655753051261778433.
               7723238627324814197474553017429398370918112560207155581196780033.P69
          9: 12289.351741334212115457.461568161099143936014461448593889281.P301 
         10: 1431459829606245207173905329679749121.C680 
         11: 5189633.C1425 
         12: 5488091137.61555838924091904830922753.C2828 
         13: 1364951041.186678460417.
               5332422520860819457.761525838615040844430917633.C5660 
         14: 26411009.261352539744501761.9692662769315032894013441.C11403 
         15: 65537.479403950715043841.C22882 
         16: C45808 
         17: 1558147628346203114569729.C91592
         18: 93847553.435447138843502307096657921.C183197 
         19: 2569456412786689.118064119380221624907202561.C366421
         20: 230686721.29336604246017.1157236743208961.C732887
         21: 8303272796356609.3803417506207498241.19526763586854584321.C1465793
         22: 167772161.C2931685
         23: U5863386

  5   3   0: 1,  1: 17,  2: 353,  3: 198593,  4: 97.786757409 
          5: 143797249.80957968182017 
          6: 257.290320001.3632789233881076244813676034342529 
          7: 7681.36097.259841.21440257.26556161.P61 
          8: 4619081063385038596097.16371209198385476643841.
               197957021612106218195201608012801.P103 
          9: 63588063233.11124644958799710157378318337.C319 
         10: 1210484069369857.C701 
         11: 20365313.32786906591233.50495551940572069550706689.P1385
         12: 4595713.1876317058244609.5366989900281972080641.C2820 
         13: 29939081576449.682665592324097.C5698 
         14: 65537.1146881.138721591297.6855108994346305312629881567473008641.C11393 
         15: 5301131104313471072468993.22302252883961311533465601.C22854
         16: 6049115799553.18711118251163649.
               19756988904344312703985577633120257.C45745
         17: 786433.206423995711489.15076883889159538475009.C91573
         18: 21495809.2062622392321.C183211 
         19: C366462
         20: 27786421925683658753.C732904
         21: 11813748335443969.C1465830
         22: 6593445889.159006038903750657.C2931666
         23: U5863386

  5   4   0: 3.3,  1: 41,  2: 881,  3: 17.26833,  4: 4801.32677121 
          5: 641.5953.59925889.101900353 
          6: 1699132282369.319046040234900998188151306914049 
          7: 257.1719885157889.P75 
          8: 176129.2514433.446202881.
               48825225762058599296189953.847709658141595165151863297.P107 
          9: 917443645870848075624428054384896646956033.P316 
         10: 18433.40961.C707 
         11: 1179649.24084841234259969.C1410 
         12: 275280174840979457.C2846 
         13: 14238056449.44476097568255394938881.
               25675326136436675613600873198698497.C5659 
         14: 48463873.C11445 
         15: 65537.110555887501313.C22885 
         16: 1532362753.1246078933012280343607118921729.C45769
         17: 83406094337.C91605 
         18: 241537908737.5506783089232565501953.C183198
         19: 29645211623772651521.10243367459550892672592904193.C366415
         20: 635437057.970752786433.C732903 
         21: 112230917497920946177.C1465827
         22: 136131471726346241.C2931676
         23: 167772161.24254472795631648769.U5863358

  6   1   0: 7,  1: 37,  2: 1297,  3: 17.98801,  4: 353.1697.4709377 
          5: 2753.145601.19854979505843329 
          6: 4926056449.447183309836853377.28753787197056661026689 
          7: 257.763649.50307329.3191106049.2339340566463317436161.
               2983028405608735541756929.18247770097021321924017185281 
          8: 18433.
               69615986569139423375849495295909549956813828853888948633601.P137 
          9: 80897.3360769.12581314681802812884728041373153281.
               3513902440204553274892072241244613302018049.P311 
         10: 376037377.916326983681.C777 
         11: 96479889653761.27235071532927521153002936160735956993.C1543 
         12: 825168562105301526233089.
               95784065216473934511681790307842080769.C3126 
         13: 86958504245590708098930120015173020696577.C6334 
         14: 18220289247208144897.C12730 
         15: 65537.C25494 
         16: 124346659627466753.C50980  
         17: 1192970340246662212485121.C101970 
         18: 1877597356032001.C203973 
         19: 13631489.C407969  
         20: 26560667903774949377.522767209448794182647809.C815908  
         21: 52787303940097.C1631888  
         22: 58460259483649.177693281801366380592910542307329.C3263757
         23: 40711978221569.7643646112561102849.C6527574

  6   5   0: 11,  1: 61,  2: 17.113,  3: 2070241,  4: 2973697798081 
          5: 193.577.645313.9104321.12199937 
          6: 257.1189782673537.207149065298675818568214979118531969 
          7: 3329.8253953.3108109313.
               29759533890817.28232308132114188879656724422657.P35 
          8: 90409829824372737427553799930642893534048917392055\
               78878208413109886576129.P127 
          9: 12289.10193921.C388 
         10: 99204476929.2283789078576650720836691969.C759 
         11: 62328486893421172927344641.C1568 
         12: 270337.737281.80044033.9669640193.129182023681.
               6490246807553.20143267717121.11302668608681341206529.C3099 
         13: 147457.
               1032193.6198190227457.1001919462572033.2526067760332801.C6321 
         14: 65537.326728155137.2990305640449.C12721 
         15: C25499 
         16: 62517411841.C50987 
         17: 8588060000257.393969071333834753.C101964 
         18: 5767169.227226000818177.72387072722435309569.C203947
         19: C407976
         20: 69206017.4483710977.67236790273.1445743739011073.C815908
         21: 6449030029918152425473.C1631880
         22: C3263803
         23: 45862650642433.24495259585474100985857.U6527570

  7   1   0: 1,  1: 5.5,  2: 1201,  3: 17.169553,  4: 353.47072139617 
          5: 7699649.134818753.531968664833 
          6: 35969.1110623386241.15266848196793556098085000332888634369 
          7: 257.769.197231873.6856531741041792239054980342217258517995521.P52 
          8: 28667393.126575155274810369.P192 
          9: 13313.943558259713.
               275102002206713516320479233.1338330888777063359811677099009.
               656929861401793262700329631944023570433.P321 
         10: 12289.C861 
         11: 114689.9379841.1914651123967377663990077882369.C1689 
         12: 11886593.C3455 
         13: 2506294041191316526935613358081.4069994522486575285342303223809.C6862 
         14: 163841.112909861743231211766808577.C13815 
         15: 65537.39066490326833002281506416331355062273.C27650 
         16: C55385 
         17: 64749569.10923258413057.C110748 
         18: C221538 
         19: 70254593.C443067  
         20: 2173458972673.13759070826189484276195975495681.C886106 
         21: 4643094529.19847446529.50194722165096449.C1772263  
         22: 20827885658921521643521.C3544576  
         23: U7089196

  7   2   0: 3.3,  1: 53,  2: 2417,  3: 17.339121,  4: 97.449.8513.89633 
          5: 876097.1260622595721616043201 
          6: 47047681.62177153.416970669270749472494126795751788515969 
          7: 257.7681.1321729.408733507831078753793.P76 
          8: 30465024299265331445226520335290499200584427333334\
               3329385830106948028759018183626185266072912178177.P118
          9: 5463041.13951408129.2741830231600129.739060412351362864129.C380 
         10: 4638721.26615375647350719465473.C837 
         11: 1454081.58212962131660801.C1708 
         12: 114689.113418241.13037142017.483047882753.176129918181377.C3413 
         13: 2572289.246742794241.4106514459456739122082617911930494451713.C6866 
         14: 27688961.513137344513.C13827 
         15: 65537.93847553.970310308805345281.C27662 
         16: 374734849.C55376 
         17: 3731619841.126760506575345559486632558593.C110731
         18: 7340033.283980595201.704401721786369.C221505 
         19: 5095746196996097.20147955856158228481.892720079946668572673.C443019
         20: C886150
         21: 46127760015361.C1772286
         22: 352740261756929.C3544584
         23: U7089197

  7   3   0: 5,  1: 29,  2: 17.73,  3: 113.25537,  4: 97.171303987713 
          5: 257.4673.459809966454270232961 
          6: 271004161.2250446050597421823605463563798919148824618881 
          7: 316783338241.P97 
          8: P217 
          9: 366900449720765979347030017.P406
         10: 12289.4697681385326593.2384507113450252289.C827 
         11: 64616251393.P1720 
         12: 40961.2875393.353007075329.814674493441.P3427 
         13: 17758151063633921.C6907 
         14: 65537.65014938580002355838977.551260302115060356579329.C13795 
         15: 980661698561.2105852723626180609.493227222978148958209.C27641 
         16: 8519681.216600543233.2637785822596297523201.C55345
         17: 10152212013505576961.C110750 
         18: C221538 
         19: 7340033.924844033.23904038241309818881.C443040
         20: 111564292097.14080951713793.337918417698817. 
               20715615966724097.98196842679894017.C886078
         21: 11802771457.C1772289
         22: C3544598
         23: 23017283387393.U7089183

  7   4   0: 11,  1: 5.13,  2: 2657,  3: 17.193.1777,  4: 563777.58954561 
          5: 577.648449.2951791308975956929 
          6: 400303811518337.3047086868869250345637754038506015544961 
          7: 257.4313052929.P97 
          8: 114689.22555340356609.114903327899216754311312897.
               14138620053270279171951987149801906201593040733468161.P120
          9: 653239127986454056836845736180737.C400 
         10: 1032193.13498294273.33255682049.
               42520314512068138939628780054389278721.C802 
         11: 1236217487684647157761.404378969345736811548673.C1687 
         12: 1376257.39006346293944328193.C3436 
         13: 46514177.1332289971186494227277339108199546881.C6880 
         14: 2654209.596082689.C13831 
         15: 65537.C27688 
         16: 786433.5767169.55443457.1874329601.5444730881.C55345 
         17: C110769 
         18: 21495809.36175873.C221523 
         19: 3704639142756353.C443060
         20: 69206017.C886142
         21: 469762049.C1772291
         22: C3544599
         23: 4630511617.U7089187

  7   5   0: 3,  1: 37,  2: 17.89,  3: 97.31729,  4: 16692759230113 
          5: 2689.3329.4018753.15350429395841 
          6: 257.6529.9345903233.6084515529914753.6391716288418607254529 
          7: 769.2694401.2948353.92904262589441.854060358502835716134913.P55 
          8: 24001679904969263617.16017375143929691692033.P175 
          9: 6398538377352193.7287383505100801.2934499029066948891165697.C377 
         10: 3642406657228301985793.C844 
         11: C1731 
         12: 4626737293361153.9707282524141535233.
               1491534218635400847361.4540148807705884889112577.C3381 
         13: 65537.147457.159445345895055361.P6896 
         14: 163841.92110849.C13833 
         15: 16580609.85196801.
               8035750542046605434748929.10989129828586818215626014721.C27624 
         16: 1503264769.C55375 
         17: 340619827281298677301249.C110745
         18: 93847553.C221530 
         19: 2649751553.180940618494640129.C443048
         20: C886150
         21: 4643094529.524803147806277633.C1772272
         22: 217734709249.C3544587
         23: 836520260927489.U7089181

  7   6   0: 13,  1: 5.17,  2: 3697,  3: 353.21089,  4: 36054040477057 
          5: 257.4328351499431389288675841 
          6: 1441838081.45814876214017.18466054092468533735568034082561 
          7: 3329.7329793.1066005182572362964065225039667736303849504290049.P50 
          8: 380417.1721774081.5193296897.12492559873.
               353241473065946449901726315430570540777570849533085697.P129
          9: 15361.58580044801.1203048651390566401.P400 
         10: 184321.1198081.68115890177.C844 
         11: 102780827908570402817.C1711 
         12: 147457.17037904730796368084993.C3435 
         13: 23124019888129.4439899112691038216749057.C6886 
         14: 65537.C13842 
         15: 78053377.11092947697699719872513.64019110185456246072180932609.C27634
         16: C55385 
         17: 97335115777.6332870557697.C110745 
         18: 292654940161.24100846698497.C221513 
         19: 574923735041.C443064
         20: 11262006145318913.C886134
         21: 6155904483329.C1772287
         22: C3544599
         23: 2323912851457.120693272262737921.U7089167

  8   1   0: 3,  1: 13,  2: 241,  3: 97.673,  4: 193.22253377 
          5: 18446744069414584321 
          6: 769.442499826945303593556473164314770689 
          7: 349621839326921795694385454593.P48 
          8: 212780015855109121.2220842644284984664160257.
               1796602923899342630768062019504577056782884736988571649.P59 
          9: 10259749374292951523157004642279801700591617.P266 
         10: 12289.P613 
         11: 2422022479873.C1221 
         12: 78996096857210881.C2450
         13: 39714817.152371201.261167435022337.26373221006868481.C4886  
         14: 241223912428645318657.C9844 
         15: 11560943617.C19719 
         16: 786433.6110791635217482322280449.C39426 
         17: C78914 
         18: C157827 
         19: 597688321.C315645 
         20: C631306
         21: 7348420609.33079231742188321838827831297.C1262573
         22: 448203325441.439186092349406236901377.C2525188
         23: 1107296257.U5050437

  8   3   0: 11,  1: 73,  2: 4177,  3: 17.113.8737,  4: 193.599009.2434721 
          5: 34032769.2327996364746758943233 
          6: 35201.13298174977.13409485752562918448342707397650793232918401 
          7: 257.7681.9473.479258428673.P94 
          8: 383489.1004033.16515073.6534275708989615146537473.
               13942462615017032634896842241.92843302626321539153235911142512129.
               251107214447979493327692397230353921.P90 
          9: 13313.298263335624322679638103183355877967873.C420 
         10: 12289.C921 
         11: 495617.164477961755961213173761.C1821 
         12: 40961.1376257.C3689 
         13: 2277377.2654209.13882908082177.
               104382952243201.209413269255934384591034761217.C7329 
         14: 163841.557057.1331501301099328134243450881.C14759  
         15: 65537.44722128814081.C29574 
         16: 786433.C59180 
         17: C118370 
         18: 254279681.C236732 
         19: 13631489.C473473
         20: C946959
         21: 57713916641281.C1893904
         22: 3112173569.C3787825

  8   5   0: 13,  1: 89,  2: 4721,  3: 17.1009873,  4: 641.29569.14858689 
          5: 769.1217.84656984224706453739457 
          6: 7681.9857.82908039533579409153578534393535276660420426832513 
          7: 257.7937.3665153.2183727850753.3173794245121.32285994877302017.P62 
          8: 206102775026177.25083346678208656976952833. 
               14571454116637488440882751359138387691414529.
               208539956790304503336536265315334996865376394753.P101
          9: 9296766367028101121.C444 
         10: 1511034252341249.207575244797401802753.
               1436972167751566000348848316015883481089.C851 
         11: 634822004737.34542946567083160879583233.
               543769404430155025715281921.358274680681257643999452327937.C1756 
         12: C3700 
         13: 147457.9338881.C7386 
         14: 10780673.52896268289.C14779 
         15: 65537.27652318167041.49653576433729537.C29558 
         16: 39714817.1003479136848186821836801.C59154
         17: 786433.C118364 
         18: 2718957569.1838605964197614136590337.C236706
         19: 269672525070337.75733465459326977.C473448
         20: C946959
         21: 167772161.C1893909
         22: C3787834

  8   7   0: 3.5,  1: 113,  2: 73.89,  3: 17.1326001,  4: 314707907280257 
          5: 33857.1347511751681.1760802861761 
          6: 1153.257921.865537.186270593.130947618578460692408608101578574209 
          7: 257.769.5830814152999853879888129.
               519975935060346660783986052760977025136897.P44 
          8: 12289.758747195169711613006171529428481.P195 
          9: 22074740042753.P450 
         10: 7664901937153.C912 
         11: 40961.2383682777089.466462706254073857.16880619740893982825103361.
               42155859696407820690508314464257.
               9071223469645280478007180708476861063169.C1719                    
         12: 114689.147457.119451319074817.1548181405868033.
               612728554165518337.8487573545987482069822464001.
               9779576824250066087021273089.679066408634840433544710335815681.C3554
         13: C7399 
         14: 820248577.115003949057.C14777 
         15: 65537.2752513.800063489.C29573 
         16: 215482369.769614151681.11331301108744193.29192219369537537.C59133 
         17: 2173740290451666132969990389761.
               23171254562825638130903319576577.C118309
         18: 12475432961.C236730 
         19: 27266618163771657161801729.76308122989533925176508417.C473428
         20: 459276289.267943958202544029697.C946930
         21: C1893917
         22: 106941809122017804289.185061937365957738497.C3787794

  9   2   0: 11,  1: 5.17,  2: 6577,  3: 449.95873,  4: 1601.20353.56867009 
          5: 1248533862155521.2750172762126337 
          6: 257.32310529.480865793.2952701387950377265900522969510993211622913 
          7: 5968023592938492929.P104 
          8: 25601.51968170840252661043821997424311417238529.P200
          9: 8452097.38031361.5844992551524510215341809761853571073.
               693750025314265269163961108564866912550516737.P393
         10: 176129.1936768727567831041.C954
         11: 40961.163841.26419201.C1938 
         12: 144310273.69748787036161.1093509721838118950144270472281079809.C3851 
         13: 1179649.272003328076718896452278845441.C7782 
         14: 65537.697434113.62872289281.C15610 
         15: 59637761.1634310644207190017.C31243 
         16: 275146324074686937135615836161.3785376941465329296913948999681.C62478
         17: 13631489.7547650049.25335611523073.
               152639561531393.393636107833237952312578670593.C125001
         18: 1307710539694081.2913045162051502081.16222522580528005121.C250097 
         19: 1572864001.6493675978753.C500276
         20: C1000596
         21: C2001192
         22: 5948858404175873.29487730773804974081.C4002348
 
  9   5   0: 7,  1: 53,  2: 3593,  3: 17.1277569,  4: 673.970561.1418561 
          5: 1217.4807681.293429712112056751489 
          6: 15539860481.5584960066874701094401.67924026214760827303058881153 
          7: 257.P120 
          8: 138241.12436993.56920389769478657.
               45166441601694982196398891929107361097875536081400837121.P160 
          9: 5323777.1801924609.5418641379329.59210885004055553.C443 
         10: 480015303449013614593.65936398534194188141074433.C931 
         11: 249857.6156998954315777.
               59158520596982670708737.18192332841271809127182337.C1885 
         12: 436879361.106848251772929.82320461472480133121.C3866 
         13: C7817 
         14: C15635 
         15: 65537.309432680449.48763768671895553.C31236 
         16: C62537 
         17: 786433.C125069 
         18: C250149 
         19: C500298
         20: 113246209.6512776738257942505062401.C1000563
         21: 59357790209.1315346023710721.29944585666487648257.C2001146
         22: C4002383

  9   7   0: 1,  1: 5.13,  2: 4481,  3: 17.17.84449,  4: 449.2100504587329 
          5: 5547814913.309562260261976083457 
          6: 206697065730709487073032833.28520447921741769926385807851011457 
          7: 257.43025783215873.273660317560727167550544641.
               71217259250084391387664628924760289537.P42 
          8: 810112911187969.
               12945777297340100106727783150253516140318282917377.
               36742670326357555376571656645025024923996704002629\
               49621820478448348161.P111
          9: C489 
         10: 12289.120833.49988808297023819471561188686917633.C933 
         11: 1130497.6111233.9392129.69620580353.
               556484746533493288108033.1774649741699960521677406983356417.
               105532821253699171569756514884725806882817.C1826
         12: 20717569.30515201.95819991859201.4059650585677299713.
               3358855350857433784321.1941684638727006370357249.C3816 
         13: 14909441.1052643852289.16515179718670384704534839918593.C7767 
         14: 11468801.206060473679873.C15613 
         15: 65537.620017711710209.388450736274739371507713.C31226
         16: 57358092992513.147927482632045854721.C62504 
         17: 2722103297.C125065 
         18: 236577235518619649.439690816402751489.
               1772394843585294798684161.32866504345040446864936665089.C250061
         19: 52630024713404417.C500281
         20: 136314881.C1000588
         21: 754974721.C2001183
         22: 307264635592947793921.11542421465360511270913.C4002341

  9   8   0: 17,  1: 5.29,  2: 10657,  3: 577.103681 
          4: 193.1217.16001.567937 
          5: 3512911982806776822251393039617 
          6: 257.17921.21750529.
               124683908353.10517420781313.89798052356669480217601 
          7: 39881729.3074033868289.4864864030721.
               2703501313826274642433.164559126078230038853821441.P42 
          8: 642049.3034501121.734178875393.21357964615681.
               15055361739759617.501670054818946049.749452768427489281.P153
          9: 83969.66795862216119302883329.P461
         10: 12289.53661697.144248833.392724481.
               3099058177.11297701889.358589595425505892629750180499457.C897 
         11: 50357066718675366112677434052403201.C1920 
         12: 6936330241.782379140939777.79321576354234369.
               2193721159492206593.3425196861372906494820353.C3825 
         13: 719388673.1963982849.8482920742233210881.
               1431795754781657221212296642561.C7750 
         14: 65537.11272193.8634233315131393.18662744441218007041.C15588 
         15: 394987710054401.9323153793376832619282433.C31230
         16: 786433.13631489.169869313.146561302529.127422162357587279873.C62485
         17: C125075 
         18: C250149 
         19: C500298
         20: 3230830969225217.140759451446542337.631251962977853636609.C1000543
         21: 4630511617.4635410563073.1126623348910981121.C2001152
         22: 2130706433.C4002374

 10   1   0: 11,  1: 101,  2: 73.137,  3: 17.5882353,  4: 353.449.641.1409.69857 
          5: 19841.976193.6187457.834427406578561 
          6: 1265011073.
               15343168188889137818369.515217525265213267447869906815873 
          7: 257.15361.453377.P116 
          8: 10753.8253953.9524994049.73171503617.P225 
          9: 1514497.302078977.3611707318387778163302401.C473 
         10: 1856104284667693057.315827195278624446663038977.
               1567629031101501414376301131777.C950 
         11: 106907803649.3835256936681473.9027276203313319937.
               969220351349023606432543884535631873.C1967 
         12: 458924033.728157653661622273.50628372428722965086209.C4047  
         13: 3635898263938497962802538435084289.C8159 
         14: 1702047085242613845984907230501142529.C16348
         15: 65537.5767169.C32757 
         16: 8257537.C65530 
         17: 175636481.C131064 
         18: 639631361.C262136 
         19: 70254593.212733001729.13462517317633.C524256  
         20: 167772161.16578924424467537039283942007504897.C1048534 
         21: C2097153  
         22: 101702694862849.C4194290

 10   3   0: 13,  1: 109,  2: 17.593,  3: 100006561,  4: 9697.1031246781793 
          5: 769.1518977.85609598896830600941057 
          6: 257.7800222337.4988384196692145582667808890329898418176842028878209 
          7: 5065729.35057921.3769618899016961.167631329932307201.P81 
          8: 121857976458483132859080942732289.
               15089588514599698695668660804347393.
               69915057472258961071772151436847568511903450783505\
               23038272199088575097873138175154689.P105 
          9: 1508223300748289.P497 
         10: 8344768038913.22793716654787432449.
               7368598292907767898964078026364838712293377.C949 
         11: 81555457.C2041 
         12: 40961.417793.C4086 
         13: 36372481.51238993921.C8174 
         14: 65537.7340033.C16373 
         15: 11599873.16572841699176011837472769.19909834331355375332229121.C32711
         16: 466960432496641.C65522 
         17: 8237774798849.C131060 
         18: 762997884417212417.C262127 
         19: C524289
         20: C1048577
         21: C2097153
         22: 62201528321.847131967489.C4194282

 10   7   0: 17,  1: 149,  2: 12401,  3: 353.299617,  4: 7297.1374980530433 
          5: 193.1772609.7930832257.36856642754689 
          6: 257.143489.7354241.407083829648792831580161.P26 
          7: 721921.1340804755457.84899535812416513.P94 
          8: 16509953.1080958652444021761.
               120148693217563742209.12423510660058534720887676973057.
               5040112032155671654956190812913679429543006209.
               11858212028719574709162062173452152499699166067424483329.P79 
          9: 414721.3068929.78501624833.
               3282575483230082132993.420682501426231008472517416961.C438 
         10: 1057093826561.2717018247169.C1000 
         11: 40961.1382823743489.C2032 
         12: 153839173633.102917950198546433.C4068 
         13: 65537.19207659667457.457620801732197341888513.C8152 
         14: 119603201.6655761189273601.C16361 
         15: 12414656755413027457488191489.C32740
         16: 7936925573892515330756507467777.C65506
         17: 7358575280129.329327767967420121089.
               16735603524892716672188153857.C131011
         18: 70254593.531628033.4513811423643566081.C262109 
         19: 7340033.270532609.3771727873.C524264
         20: 81788929.C1048569
         21: 3451912193.C2097143
         22: 88852135937.125300637697.C4194282

 10   9   0: 19,  1: 181,  2: 16561,  3: 17.1249.6737,  4: 97.2689.45442946977 
          5: 9601.55861633561729.192855438828289 
          6: 4993.1010193993337978111110606210433.P31 
          7: 257.68117064829477739821224158209.
               387699394148722959933810366563329.P65 
          8: 969163624541432772600898040283470088671584128178624780738146\
               22690888264136641431180749381562485055138692996997842038273.P138
          9: 8221886265073630386072429221023401769442925263873.P464
         10: C1025 
         11: 86017.C2044 
         12: 1726169089.C4087 
         13: 147457.163841.266125313.
               33786710504822132883457.53601702381034645946369. 
               550912578760948250350068948811777.C8096 
         14: 9444019010248704001.C16366 
         15: 65537.16788357121.61676791503716353.
               87819187233352593898733569.503375935229682588382793223241729.C32678
         16: C65537 
         17: 8650753.6138005291009.C131053 
         18: 40548710026895018471446282241.C262116
         19: 28915497623879681.88977028826118750209.C524252
         20: C1048577
         21: 138412033.C2097144
         22: 1484783617.3384936940421137825793.C4194274

 11   1   0: 3,  1: 61,  2: 7321,  3: 17.6304673,  4: 51329.447600088289 
          5: 193.257.21283620033217629539178799361 
          6: 316955440822738177.P49
          7: 15361.111489577217.574341646346402207998363393.
               4018529583345312964042058778793458689.P55 
          8: 15190529.4696846849.19618834249745000485889.
               4393553986026616439660661873903822389581313. 
               290103547098489711747952055517085778590240759297.P138
          9: 1578535964835518545627495431146947018052208210150401.C482 
         10: 1760464897.42237203863381694192672035203997697.C1023 
         11: 1691123713.3351550775297.9244941807617.
               56310874893475841.6813914451182200255935098881.C2054 
         12: 72019615177179018262963851313153.C4234 
         13: C8531 
         14: 163841.18948781388906004481.C17038 
         15: 65537.146919221005803847681.2899194668990451548161.C34078 
         16: 149300051969.C68238 
         17: C136498 
         18: C272995 
         19: 70254593.6874464257.C545972  
         20: C1091980  
         21: 1224818179440641.105204008343306241.10895033343016205025281.C2183905  
         22: 6619459271169924097986527233.C4367890 

 11   2   0: 13,  1: 5.5.5,  2: 14657,  3: 17.241.52321,  4: 697409.65886344833 
          5: 257.558205057.14717669124989680991233 
          6: 98561.235009.749633772534063781633.P36 
          7: 1012394241086414163482790913.P107
          8: 26113.442483095553.126558143142913.
               15076789482504193.106169195466283249021578144211969.P189 
          9: 755184641.11598906596353.46923860630466803713.P492 
         10: 6186003052408544884518913.1368962556000192967204527917057.
               16455908910123480408625933368924161.
               1750000584427478667109628078314622033921.C938 
         11: 12289.3433910273.181037416419648462060413319876259841.C2084 
         12: 5557248001.689863229441.812697321840641.
               5263909243236587968730087996047361.C4196 
         13: 184686023638111847070239342593.C8502 
         14: 23068673.8142833614849.83392072995005300737.C17022 
         15: 65537.33475421165715457.
               195719764781642457234997249.1750295070860540623711436801.C34050
         16: C68249 
         17: 10737426890753.C136485 
         18: 702218169745409.746593753201377281.C272963 
         19: C545990
         20: C1091980
         21: 17343447041.C2183949
         22: C4367918

 11   3   0: 7,  1: 5.13,  2: 17.433,  3: 107182721,  4: 68074913.337493857 
          5: 193.364417.15009975792943059177726401 
          6: 641.1409.P61
          7: 257.P131
          8: 3430486387626057217.1826300595737909153428993580626433.
             132980092956629419115138154564331009.
             11765487608073254883107740674172674049.
             2528915723723193785484317922176389632945401316320818347450982913.
                                                                          P79
          9: 638977.25563964417.512598923368254548816765595649.
               124417592218683875532181715340890466359297.
               377561692555153565191833954196889953664087041.C402 
         10: 1103873.C1061 
         11: 29601789544989597697.C2113 
         12: 15974401.2877011484673.C4246 
         13: 167528251393.1428726602514433.
               11613588622432653280043952572643137585153.C8465 
         14: 65537.119224041473.205302799223095297.C17029 
         15: 11599873.C34117 
         16: C68249 
         17: 14942209.68681729.208931389441.C136471 
         18: 5189902143747260417.C272976 
         19: C545990
         20: 23068673.482912325681159340033.C1091952
         21: 167772161.3179669295445573633.C2183932
         22: C4367918

 11   4   0: 3.5,  1: 137,  2: 14897,  3: 17.17.97.7649 
          4: 1249.59009.623450977 
          5: 257.1153.1217.54804376513.106831093776257 
          6: 3730817.117071733905921.P47 
          7: 769.41117958000584381628617252562440142071191512315649.P81 
          8: 82561889920784579171525932352880814400827599915143\
               358905207969814529.P199
          9: 9259243847681.494822504836788698553799681.C494
         10: 79873.5402744833.C1052 
         11: 61441.164510312690692097.
               18147075516903753078981643134169924882243411969.C2065 
         12: 55939588097.1985582891009.4686216896755179521.C4224 
         13: 6752501761.422147994891405770753.C8501 
         14: 203172118529.C17051 
         15: 65537.3735553.122355713.C34105 
         16: 168089258796998449692673.C68226
         17: 786433.35691429889.C136481 
         18: 6940455862273.11005544366081.672577409200584916993.C272949 
         19: 7340033.C545983
         20: C1091980
         21: C2183959
         22: 44488495988737.C4367904

 11   5   0: 1,  1: 73,  2: 17.449,  3: 1009.106417,  4: 25633.896303250721 
          5: 2113.18157889.27520769.999793963860481 
          6: 3602561.13347415255864961.P44 
          7: 257.41729.614332747131162113.4706098047201057281.P90 
          8: 295533569.1927097391948818162217774865409.
               3149420724925366252865464391502449775079211471303681.P177
          9: 1349150774273.256573963099185188409097620299462657.C486 
         10: 5538232159815682049.248946669669012143708161.C1024 
         11: 12289.114689.249857.1847297.295296972610267537409.C2092 
         12: 7726171236199853410639873.C4241 
         13: 65537.C8526 
         14: 163841.26017793.C17050 
         15: 5789581313.34734407681.76732628993.C34104 
         16: C68249 
         17: 28311553.371458049.74841587713.C136471 
         18: 1172832257.1953142437250072577.C272968 
         19: 148130221701932777473.
               1540074126725628297217.348697011545335624908144641.C545922                  
         20  483406278745158320129.C1091959
         21: 168453677575569409.C2183942
         22: 1973548013224646934529.C4367896

 11   6   0: 17,  1: 157,  2: 15937,  3: 97.2227201,  4: 673.1153.39521.1498433 
          5: 2839553.22259029358081.33404865330049 
          6: 641.10369.11777.97624432793901757313.P36 
          7: 257.769.103082490116881712897.15828696452514653336833.P86 
          8: 31641907624152571040257.
               64360977262646304179884033.340111216350166308645711361.
               514266110566464107971992726293486044583987201.P148 
          9: 83262895998743710670849.
               218212574873316042665932988867874360484776961.C466 
         10: 430081.26471431987201.4684480478416897.C1032 
         11: 12289.40961.447757520897.551379373403207527601655809.C2086 
         12: 5039112193.C4256 
         13: 379992997889.105427171065857.C8506 
         14: 65537.2045784391681.C17046 
         15: 131530753.C34117 
         16: 49152001.C68242 
         17: 932478713857.429606563479553.473647894342799064563713.C136448
         18: 7340033.26298792017921.C272975 
         19: 12217304457498591233.C545971
         20: 81788929.15154020353.C1091962
         21: C2183959
         22: 186125503168513.C4367904

 11   7   0: 3.3,  1: 5.17,  2: 8521,  3: 337.326593,  4: 22991481397070881 
          5: 1055689389481464764733130779754561 
          6: 610344589666960166969722938113.P37
          7: 257.11335169.431662694135572123286273.27530486024537889210524417.
               406841061975985346299089788652443137.P39 
          8: 330030593.234274744366093313. 
               19117535897402297434239041627302009230518599887790\
               1193723188061034891104875009.P164 
          9: 380929.878593.5698627849217.P509 
         10: 6103085378777089.4596494272246243885057.P1029 
         11: 65537.14344193.55037953.3122454529.265064816641.C2092 
         12: 163841.88989697.5858451457.83351101441.261068120180497358849.
               8919289287600287806039404371969.C4181 
         13: 10076161.232980481.501891463999980552193.C8495 
         14: C17062 
         15: 130809857.94586208257.C34105 
         16: 1716394786817.1826719793153.76562635699266808446977.C68202 
         17: 786433.111149057.1330012487681.2790662363676673.
               18027328365747050643457.18462298142134718955521.C136412
         18: 70254593.C272987 
         19: C545990
         20: 264705673265153.10440269855981569.C1091949
         21: C2183959
         22: 30148657153.1633084399157249.880259945616900097.C4367874

 11   8   0: 19,  1: 5.37,  2: 41.457,  3: 17.13596241,  4: 577.80123405269121 
          5: 193.257.622337.685697.5727809.17415878657 
          6: 4457915690803004131256192897205630962697827851093882159977969339137 
          7: 364289.444929.166840051457.12819266670337.
               12164872949149300151297.51511555905802800113153.P53 
          8: 24198404441307186769606786858403923749984215447461\
               267568130646860289.P200
          9: 414721.P528 
         10: 1325055031900819016122321290213038081.C1031
         11: 136883453953.1324783167946753.
               374880846012989441.262313029280641047059412246529.C2060 
         12: 7033077050262631997441.C4244 
         13: 1179649.49998364673.95773333241857.C8501 
         14: 2223931393.C17053 
         15: 65537.C34120 
         16: 5767169.C68242 
         17: C136498 
         18: C272995 
         19: 5788443683586049.C545974
         20: C1091980
         21: C2183959
         22: C4367918

 11   9   0: 5,  1: 101,  2: 10601,  3: 17.97.78049,  4: 577.41423526908513 
          5: 193.1153.4751765743690817372185811969 
          6: 257.13313.2947336985726430593.P42 
          7: 769.31489.P126 
          8: 10753.216801281.3596336641.22586282835294209.P229 
          9: 2772389308265902081.5072405903723340779521.
               2191463737143142617081795375694786072577.C454 
         10: 249857.946177.7919617.532389889.3781690819133441.C1024 
         11: 86017.3179630593.80360951809.2703756857208833.C2092 
         12: 131817332737.153431943069583483059863487946753.C4222
         13: 41680897.2893627393.4803145433089.5322087325286401.C8486 
         14: 177340417.2096258508584301334528001.C17030 
         15: 65537.C34120 
         16: 21495809.557553567662081.1055373193715338865689231361.C68200 
         17: 138412033.8540496050898695178682369.C136465 
         18: 701843374081.C272983 
         19: 7340033.101711873.C545975
         20: 327952629761.1378545843931447297.C1091950
         21: C2183959
         22: 1278121869313.13290989705345630209.797548385201066868737.C4367866

 11  10   0: 3.7,  1: 13.17,  2: 41.601,  3: 113.2781937 
          4: 97.3617.159469543489 
          5: 2211377674535255285545615254209921 
          6: 15361.137089.2518913.3736495361.P42 
          7: 257.41822241103109377.P115 
          8: 5625857.17937703937.528219678931883689217547596362241.
               25282569519796208600890399549770078689479423449601. 
               25542825926769107342676534435111073798194258061378032162105857.
                                                                         P107 
          9: 86017.1712129.12942337.59619252253697.803393263488001.
               406537098760697857.2682267731033540609.
               78042471415871133952241369573736125441.C413 
         10: 160935937.C1059 
         11: 526835713.623540580353.611476688373541110640721575937.C2083 
         12: 114689.385067411888791553.7729849692725329921.
               100004241052139523469913504712073217.C4190 
         13: 65537.1179649.C8521 
         14: 11599873.26017793.C17048 
         15: 60597906849595393.532140289842090542896250881.C34081 
         16: 5427537457051598849.8200129138474352641.C68212 
         17: 29884417.70254593.C136483 
         18: 328761775428935795343361.C272972
         19: C545990
         20: 24641536001.C1091969
         21: 138412033.11339384750081.C2183938
         22: 559215361916929.C4367903

 12   1   0: 13,  1: 5.29,  2: 89.233,  3: 17.97.260753 
          4: 153953.1200913648289
          5: 769.44450180997616192602560262634753 
          6: 36097.81281.69619841.73389730593973249.P35
          7: 257.P136 
          8: 8253953.295278642689.5763919006323142831065059613697.
               45227165404509537635482902446862065510716804453718\
               9917947981878284544891082485331470888529210881.P132  
          9: C553 
         10: 6528575489.24110712231602691105891902802257921.C1061 
         11: 1724417.4550657.159522817.6306638252521651010964783566849.C2159 
         12: 40961.11304961.77651969.
               838668475199050951255833586002275246081.C4382 
         13: 10201930296100387864577.C8819 
         14: 163841.76836942020609.
               2175819405561659393.9082188067711220471568498689.C17616 
         15: 65537.1036475984590405633.C35345 
         16: 402995281921.C70714 
         17: 112213463751061467824129.C141451 
         18: 5767169.21495809.147849217.4345302542670888961.C282860 
         19: 13631489.158334977.27286044673.C565777  
         20: 100544637153006081338769409.C1131578 
         21: 1711276033.9570286043137.C2263185 
         22: C4526415

 12   5   0: 17,  1: 13.13,  2: 41.521,  3: 1873.229777,  4: 184884411482927041 
          5: 449.3385409.22487562743191278689965441 
          6: 257.769.13186177.2877166849.15068584506047617.P32 
          7: 16411393.
               6872107157734532479938449850741615750858665477881983812185440769.
                                                                            P68 
          8: 17921.24040731233566906982986746922580534217217.P232 
          9: 543347713.2939401905162823996417.C523 
         10: 50449130416826369.C1089 
         11: 1068042375132176441234541996549781168129.C2172 
         12: 51007836784158132807811073.C4395 
         13: 11638690633250888578957385121793.C8810 
         14: 65537.163841.39213416603445231617.C17652 
         15: C35363 
         16: 1262092289.13126540984321.C70704 
         17: C141451 
         18: 11127488513.C282891 
         19: 74841915916289.C565788
         20: C1131604
         21: 4407082023387137.C2263192
         22: C4526415

 12   7   0: 19,  1: 193,  2: 17.1361,  3: 435746497,  4: 2693153.68662081889 
          5: 257.13572412993.9799630438110085329857 
          6: 1153.6189697.46380768089432146049.P40 
          7: 769.14081.2278525278365457409.P113 
          8: 10332091238401.3910528785528692737.
               3188843968634807002996825607382360356582161149953.
               81228291528372006802704050786144960363822298072505\
               36775114625135180552207463481025369215408641.P103 
          9: 6930764801.701651418113.
               200616805475329.8042225267272416257.89717569451504437249.P478 
         10: 92672980622986776346915373057.C1077 
         11: 244709213972791217546465281.C2184 
         12: 1673936897.C4412 
         13: 163841.139177809071454501521658422476801.C8804 
         14: 65537.5629403922433.C17664 
         15: 2752513.6009800321744656157442049.C35332 
         16: 786433.63169069553300071670526195269633.  C70688 
         17: C141451 
         18: C282901 
         19: 201890725889.1784846059831297.17240995248734209.C565759
         20: C1131604
         21: C2263208
         22: C4526415

 12  11   0: 23,  1: 5.53,  2: 17.2081,  3: 113.5702129 
          4: 929.2689.262369.352193 
          5: 449.80831997464815383957493223207873 
          6: 641.441738113.P58
          7: 257.32257.183809.5162106428759041.58799431072030651395293934337.P82 
          8: 562574849.479464757891497596929.P247 
          9: 2378806273.C544 
         10: 6782977.12777473.P1092 
         11: 2540433409.C2201 
         12: C4421 
         13: 163841.818544641.2275674360140414977.C8809 
         14: 65537.537964019713.C17665 
         15: 67969155073.C35352 
         16: C70726 
         17: 786433.414576541697.99838658169274369.26817080144036764581889.C141394 
         18: 142795746574337.C282887 
         19: 1462816812195032636325889.C565778
         20: 1120902578177.C1131592
         21: 699274362881.C2263196
         22: 167772161.195832053761.18258561511456769.C4526379


A total of  514  new prime factors in this range, contributed by Anonymous (1), Serge Batalov (12), Jon Becker (7), Jay Berg (11), Karsten Bonath (2), Richard Brent (1), Greg Childers (8), Bruce Dodson (3), Erwin Doescher (65), Leonid Durman (2), Jim Fougeron (89), Martin Hopf (2), Kenji Ibusuki (10), Yousuke Koide (1), Nestor de Araújo Melo (55), François Morain (1), Takahiro Nohara (77), Tapio Rajala (8), Alfred Reich (1), Geoffrey Reynolds (150), Robert Silverman (2), Tom Womack (6).


Last modified: April 11, 2024.