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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
402271972413631839 ~1992
402274132413644799 ~1992
40227419804548398 ~1990
40227443804548878 ~1990
40227623804552478 ~1990
40228439804568798 ~1990
40228763804575278 ~1990
40228789893079115910 ~1995
40229291804585838 ~1990
40229303804586078 ~1990
402296273218370179 ~1992
40230791804615838 ~1990
40231343804626878 ~1990
40231811804636238 ~1990
40232651804653038 ~1990
402338393218707139 ~1992
40234703804694078 ~1990
40234871804697438 ~1990
40235171804703438 ~1990
402352816437644979 ~1993
40236011804720238 ~1990
40236323804726478 ~1990
40236551804731038 ~1990
40236719804734398 ~1990
402368932414213599 ~1992
Exponent Prime Factor Digits Year
402371572414229439 ~1992
40237331804746638 ~1990
40237343804746878 ~1990
402381194023811919 ~1992
40238459804769198 ~1990
402385572414313439 ~1992
40238699804773998 ~1990
40238771804775438 ~1990
40238843804776878 ~1990
40239371804787438 ~1990
40239779804795598 ~1990
40240019804800398 ~1990
40240163804803278 ~1990
402404332414425999 ~1992
40240631804812638 ~1990
40240703804814078 ~1990
40241039804820798 ~1990
402418332414509999 ~1992
40241843804836878 ~1990
402431873219454979 ~1992
40243211804864238 ~1990
40243631804872638 ~1990
40243739804874798 ~1990
40243883804877678 ~1990
402440412414642479 ~1992
Exponent Prime Factor Digits Year
40244723804894478 ~1990
40244843804896878 ~1990
402448876439181939 ~1993
40245539804910798 ~1990
40245659804913198 ~1990
40245661120736983110 ~1993
40245671804913438 ~1990
40246691804933838 ~1990
40246931804938638 ~1990
40246991804939838 ~1990
40247303804946078 ~1990
40247639804952798 ~1990
402476575634671999 ~1992
402484073219872579 ~1992
402489173219913379 ~1992
402494834024948319 ~1992
40249739804994798 ~1990
402498372245940904711 ~1996
40250123805002478 ~1990
40250351805007038 ~1990
402503513220028099
40250363805007278 ~1990
40250459805009198 ~1990
402510412415062479 ~1992
40252211805044238 ~1990
Exponent Prime Factor Digits Year
40253303805066078 ~1990
40254143805082878 ~1990
40254803805096078 ~1990
40255151805103038 ~1990
40255199805103998 ~1990
40255343805106878 ~1990
40255703805114078 ~1990
40255739805114798 ~1990
40255823805116478 ~1990
402559793220478339 ~1992
40256423805128478 ~1990
40256591805131838 ~1990
40257023805140478 ~1990
40259759805195198 ~1990
40259783805195678 ~1990
40260191805203838 ~1990
40260263805205278 ~1990
40260611805212238 ~1990
40260659805213198 ~1990
40260911805218238 ~1990
40261043805220878 ~1990
40261783136890062310 ~1993
40262819805256398 ~1990
40262951805259038 ~1990
40263059805261198 ~1990
2147
GIMPS The Prime Pages FactorDb.com
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26-07-05