Top factors of Mersenne numbers

Top 500 factors of all time

Biggest factors (all users)nfsecmp-1p+1any
Recent factors (all users)nfsecmp-1p+1any
Search by usernfsecmp-1p+1any

show/hide forum code
#UserExponentFactorDigitsBits ↓ *Date
1Joppe Bos, Thorsten Kleinjung, Arjen Lenstra, Peter Montgomery110924616019211889325200869055218181070587968640061220328510208043399177422314889351269580238737955397055519355385591659502001884424804253804809798519146482.9792014-09-20
2Greg Childers106146817226351072265620777670675006972301618979214252832875068976303839400413682313921168154465151768472420980044715745858522803980473207943564433143473.9412012-08-04
3Joppe Bos, Thorsten Kleinjung, Arjen Lenstra, Peter Montgomery11292682863551849463941555012235061302606113919542117141814168219065469741026973149811937861249380857772014308434017285472953428756120546822911139459.8502013-09-20
4Joppe Bos, Thorsten Kleinjung, Arjen Lenstra, Peter Montgomery11119401699217426101126085627400537881688668923430306029902665947240112085572850557654128039535064932539432952669653208185411260693457130431.7622013-06-13
5Joppe Bos, Thorsten Kleinjung, Arjen Lenstra, Peter Montgomery117112348670962833258442807675383265838347627997587940117506190420273604620443843301292612106209291538933323931056186142998412331913128422.1892015-01-11
6Mersenne Forum9916721885469050382920298612421830968178768028093133627640714502537112053019071272802490029644416444090606146146238871876925423959127421.3122015-06-17
7Joppe Bos, Thorsten Kleinjung, Arjen Lenstra, Peter Montgomery109346116332943436452551540576315696985297990259869411311813222303231047196444160418969946791520558378694863913363980328293449122404.1592014-09-13
8Joppe Bos, Thorsten Kleinjung, Arjen Lenstra, Peter Montgomery10811439581090232360306724652721497221475801893594104335706767629109277502599083325989958974577353063372266168702537641115379.2252013-03-11
9Joppe Bos, Thorsten Kleinjung, Arjen Lenstra, Peter Montgomery1147471661056045900801786914314898846331049686822504477947359335825425991737416239736817636268059783884146105254485417114377.6162015-01-10
10Joppe Bos, Thorsten Kleinjung, Arjen Lenstra, Peter Montgomery11772015660787548923454662590205621123886970085761436021592942859847523108465523348455927947279783179798610711213193112369.7452014-05-29
11Joppe Bos, Thorsten Kleinjung, Arjen Lenstra, Peter Montgomery119385227326201314361823893776605433636670217425388311906457714409016049961507516230416822145599757462472729104345.2502014-08-22
12Joppe Bos, Thorsten Kleinjung, Arjen Lenstra, Peter Montgomery11518311919431039560964291634917977812765997001516444732136271000611174775264337926657343369109100663804047103341.8922013-12-12
13Joppe Bos, Thorsten Kleinjung, Arjen Lenstra, Peter Montgomery10074566483352305262858649521337144251174007537195118247844881978589475276355362014881552654641589636998324.4182013-01-08
14Joppe Bos, Thorsten Kleinjung, Arjen Lenstra, Peter Montgomery11596299926503608233590011196470146200043859293251781566081845188191562115434921003802703330934428795314.9172014-02-09
15Joppe Bos, Thorsten Kleinjung, Arjen Lenstra, Peter Montgomery10093280162939931622038625593856607754107883623834586834118156725600815563898459483658320344789294.0432013-06-12
16Joppe Bos, Thorsten Kleinjung, Arjen Lenstra, Peter Montgomery11531012236096124787395362419088517888862960688998043517924968352429331323011505698372010379389292.3472013-10-28
17Joppe Bos, Thorsten Kleinjung, Arjen Lenstra, Peter Montgomery11234321749374426178250912405171712520218348595194236252887069688897875722874342146988228786284.4752014-12-23
18Joppe Bos, Thorsten Kleinjung, Arjen Lenstra, Peter Montgomery111752097396975632061019161168306298561929800115619223220820496318840696416623360978258.1702014-11-24
19Joppe Bos, Thorsten Kleinjung, Arjen Lenstra, Peter Montgomery1199421810804061191756242978636996271415502622568434394731300110338907430236903176251.2212014-12-17