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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
646888919517511135310 ~2001
646906583129381316710 ~2000
6469149113105191572911 ~2003
646939679129387935910 ~2000
646954631129390926310 ~2000
646954811129390962310 ~2000
646972523129394504710 ~2000
646985723129397144710 ~2000
647002403129400480710 ~2000
647026283129405256710 ~2000
6470907113623707981711 ~2003
647099039129419807910 ~2000
647102531129420506310 ~2000
647107379129421475910 ~2000
6471313211035410113711 ~2002
647142563129428512710 ~2000
647158163129431632710 ~2000
647162609517730087310 ~2001
647164223129432844710 ~2000
647209151129441830310 ~2000
647243137388345882310 ~2001
647288953388373371910 ~2001
6472923371035667739311 ~2002
647295419129459083910 ~2000
647313659129462731910 ~2000
Exponent Prime Factor Digits Year
647333639129466727910 ~2000
647358083129471616710 ~2000
647364997388418998310 ~2001
6473766171553703880911 ~2002
6473777291424231003911 ~2002
647388743129477748710 ~2000
647401757517921405710 ~2001
647404229906365920710 ~2002
647429591129485918310 ~2000
647449021388469412710 ~2001
647457143129491428710 ~2000
647466119129493223910 ~2000
647472131129494426310 ~2000
647486159129497231910 ~2000
647509829906513760710 ~2002
647515559129503111910 ~2000
647581691129516338310 ~2000
647582543129516508710 ~2000
647608177388564906310 ~2001
647615273388569163910 ~2001
647623871129524774310 ~2000
647644139129528827910 ~2000
647653823129530764710 ~2000
647671847518137477710 ~2001
647695871129539174310 ~2000
Exponent Prime Factor Digits Year
6477066731036330676911 ~2002
647718983129543796710 ~2000
647719199129543839910 ~2000
647733341388640004710 ~2001
647738407647738407110 ~2002
647747783129549556710 ~2000
647755133388653079910 ~2001
647827403129565480710 ~2000
647833031129566606310 ~2000
647834879129566975910 ~2000
647837483129567496710 ~2000
647843951129568790310 ~2000
647848511129569702310 ~2000
647864291129572858310 ~2000
647892863129578572710 ~2000
647909303129581860710 ~2000
647990771129598154310 ~2000
648001391129600278310 ~2000
648001997388801198310 ~2001
648016091129603218310 ~2000
648023429907232800710 ~2002
648024257388814554310 ~2001
648051637388830982310 ~2001
648062399129612479910 ~2000
648075563129615112710 ~2000
Exponent Prime Factor Digits Year
648085859129617171910 ~2000
648125279129625055910 ~2000
648128113388876867910 ~2001
648130883129626176710 ~2000
648148379129629675910 ~2000
648155363129631072710 ~2000
648202559129640511910 ~2000
648211979129642395910 ~2000
648221291129644258310 ~2000
648282449907595428710 ~2002
648287291129657458310 ~2000
648302339129660467910 ~2000
648305219129661043910 ~2000
648328979518663183310 ~2001
648336911129667382310 ~2000
648390731518712584910 ~2001
648432971129686594310 ~2000
648433151518746520910 ~2001
648462053907846874310 ~2002
648525617389115370310 ~2001
648526979129705395910 ~2000
648559811129711962310 ~2000
648569459129713891910 ~2000
648588191129717638310 ~2000
648589001389153400710 ~2001
3280
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25-04-13