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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exponent Prime Factor Digits Year
4942855751988571150310 ~2007
49428749873954299989711 ~2008
4943166383988633276710 ~2007
49432225612965933536711 ~2008
4943529803988705960710 ~2007
4943530919988706183910 ~2007
4943784491988756898310 ~2007
4943788211988757642310 ~2007
4943814119988762823910 ~2007
494386103314831583099112 ~2010
49440487634944048763111 ~2008
494417548739553403896112 ~2011
4944214739988842947910 ~2007
49442699212966561952711 ~2008
49445613977911298235311 ~2009
49448283132966896987911 ~2008
4944877163988975432710 ~2007
49449116772966947006311 ~2008
4945008851989001770310 ~2007
4945025363989005072710 ~2007
4945233959989046791910 ~2007
4945257539989051507910 ~2007
4945373063989074612710 ~2007
49454523532967271411911 ~2008
4945516871989103374310 ~2007
Exponent Prime Factor Digits Year
4945768631989153726310 ~2007
4945908683989181736710 ~2007
4946088971989217794310 ~2007
4946095499989219099910 ~2007
494618493128687872599912 ~2010
4946276459989255291910 ~2007
4946401151989280230310 ~2007
4946547659989309531910 ~2007
4946618951989323790310 ~2007
494673802114840214063112 ~2010
4946885711989377142310 ~2007
49469164613957533168911 ~2008
4946987651989397530310 ~2007
4947048923989409784710 ~2007
49473743873957899509711 ~2008
4947536519989507303910 ~2007
4947559931989511986310 ~2007
49477189278905894068711 ~2009
4947795851989559170310 ~2007
4948048103989609620710 ~2007
4948360283989672056710 ~2007
49486890893958951271311 ~2008
4948873271989774654310 ~2007
49489092972969345578311 ~2008
4948987559989797511910 ~2007
Exponent Prime Factor Digits Year
49490932514949093251111 ~2008
4949176079989835215910 ~2007
4949302439989860487910 ~2007
49494052972969643178311 ~2008
4949563823989912764710 ~2007
4949707883989941576710 ~2007
4949716511989943302310 ~2007
494992549931679523193712 ~2010
4950085643990017128710 ~2007
495054649911881311597712 ~2009
4950656219990131243910 ~2007
4950700379990140075910 ~2007
4951050959990210191910 ~2007
4951211183990242236710 ~2007
49512725513961018040911 ~2008
4951342079990268415910 ~2007
4951541291990308258310 ~2007
49518311693961464935311 ~2008
4951995179990399035910 ~2007
4952127143990425428710 ~2007
49521541332971292479911 ~2008
4952161391990432278310 ~2007
4952998703990599740710 ~2007
4953094343990618868710 ~2007
4953365771990673154310 ~2007
Exponent Prime Factor Digits Year
4953860963990772192710 ~2007
4954092683990818536710 ~2007
4954168139990833627910 ~2007
4954245539990849107910 ~2007
4954245599990849119910 ~2007
4954466831990893366310 ~2007
4954846703990969340710 ~2007
49551430212973085812711 ~2008
4955252999991050599910 ~2007
4955325131991065026310 ~2007
4955849471991169894310 ~2007
49560528137929684500911 ~2009
49561394812973683688711 ~2008
4956376619991275323910 ~2007
4956586139991317227910 ~2007
4956601619991320323910 ~2007
4956620243991324048710 ~2007
4956762803991352560710 ~2007
4956882851991376570310 ~2007
49569749093965579927311 ~2008
49571926372974315582311 ~2008
4957656563991531312710 ~2007
49577336172974640170311 ~2008
4957795919991559183910 ~2007
4958049179991609835910 ~2007
4255
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25-09-07