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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
22344191446883838 ~1988
223446531340679199 ~1990
22345019446900398 ~1988
223456571340739439 ~1990
223463933128495039 ~1990
223466693128533679 ~1990
223469413575510579 ~1991
22347203446944078 ~1988
223473435363362339 ~1991
22347359446947198 ~1988
22347623446952478 ~1988
22347863446957278 ~1988
22348103446962078 ~1988
22348223446964478 ~1988
22348537210076247910 ~1992
22348619446972398 ~1988
22348919446978398 ~1988
22348979446979598 ~1988
22349003446980078 ~1988
22349843446996878 ~1988
22350011447000238 ~1988
22350791447015838 ~1988
22351151447023038 ~1988
223512371341074239 ~1990
22351691447033838 ~1988
Exponent Prime Factor Digits Year
22352111447042238 ~1988
22352279447045598 ~1988
22352903447058078 ~1988
22353197120707263910 ~1992
22353791447075838 ~1988
22353923447078478 ~1988
223540011341240079 ~1990
22354019447080398 ~1988
223544811788358499 ~1990
223545131341270799 ~1990
223553211788425699 ~1990
22355351447107038 ~1988
22355891447117838 ~1988
22356371447127438 ~1988
22356923447138478 ~1988
22357151447143038 ~1988
22357691447153838 ~1988
22357763447155278 ~1988
223579311788634499 ~1990
223581531341489199 ~1990
22358279447165598 ~1988
22358411326432800710 ~1993
223585437154733779 ~1991
223594872235948719 ~1990
22359791447195838 ~1988
Exponent Prime Factor Digits Year
22360031447200638 ~1988
22360139447202798 ~1988
223618397603025279 ~1991
22361939447238798 ~1988
22362289496442815910 ~1993
22362383447247678 ~1988
22362419447248398 ~1988
223625771341754639 ~1990
223625811789006499 ~1990
22363091447261838 ~1988
223638771789110179 ~1990
22364711447294238 ~1988
22364759447295198 ~1988
223651637604155439 ~1991
22365179447303598 ~1988
22365503447310078 ~1988
22366343447326878 ~1988
22366451447329038 ~1988
22367483447349678 ~1988
22367519791810172710 ~1994
223680792236807919 ~1990
22369031447380638 ~1988
22369079447381598 ~1988
22369871447397438 ~1988
223700832237008319 ~1990
Exponent Prime Factor Digits Year
22370219447404398 ~1988
223716471789731779 ~1990
223717512237175119 ~1990
223719072237190719 ~1990
223722775369346499 ~1991
22372643447452878 ~1988
223726811342360879 ~1990
22372991447459838 ~1988
22373063447461278 ~1988
22373159447463198 ~1988
22373423447468478 ~1988
223735211342411279 ~1990
223735736712071919 ~1991
22373639447472798 ~1988
223738931342433599 ~1990
22374083447481678 ~1988
22374563447491278 ~1988
22375403447508078 ~1988
22375571447511438 ~1988
22375943447518878 ~1988
223759671790077379 ~1990
22376099447521998 ~1988
22376279447525598 ~1988
223770371342622239 ~1990
223775211790201699 ~1990
1582
GIMPS The Prime Pages FactorDb.com
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26-03-08