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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
221574072215740719 ~1990
22157483443149678 ~1988
221578992215789919 ~1990
221581211329487279 ~1990
22158239443164798 ~1988
22158299443165998 ~1988
22158371443167438 ~1988
22159811443196238 ~1988
22159919443198398 ~1988
22159979443199598 ~1988
22160123443202478 ~1988
22160291443205838 ~1988
22160423443208478 ~1988
221606933102497039 ~1990
22161179443223598 ~1988
22161479443229598 ~1988
22162139443242798 ~1988
22162571443251438 ~1988
22163051443261038 ~1988
22163159443263198 ~1988
22163483443269678 ~1988
22163783443275678 ~1988
221638035319312739 ~1991
22163891443277838 ~1988
221640971329845839 ~1990
Exponent Prime Factor Digits Year
22164959443299198 ~1988
22165043443300878 ~1988
22165151443303038 ~1988
22165211443304238 ~1988
221656011329936079 ~1990
22165823443316478 ~1988
22165991443319838 ~1988
221660171329961039 ~1990
22166159443323198 ~1988
22166257687153967110 ~1994
22166471443329438 ~1988
22166591443331838 ~1988
22166603443332078 ~1988
22167023443340478 ~1988
221679411330076479 ~1990
221680731330084399 ~1990
22168103443362078 ~1988
22168199443363998 ~1988
22168271443365438 ~1988
22168931443378638 ~1988
221699571330197439 ~1990
22170443443408878 ~1988
221709475764446239 ~1991
22171211443424238 ~1988
22171559443431198 ~1988
Exponent Prime Factor Digits Year
22171739443434798 ~1988
22171811443436238 ~1988
221718131330308799 ~1990
221718672217186719 ~1990
22171867106424961710
22171871443437438 ~1988
22172159443443198 ~1988
221721912217219119 ~1990
22172291443445838 ~1988
221735113991231999 ~1991
22173611443472238 ~1988
22173803443476078 ~1988
221738211330429279 ~1990
22173923443478478 ~1988
221744211330465279 ~1990
221747098426389439 ~1991
22174979443499598 ~1988
22175423443508478 ~1988
22175771443515438 ~1988
22175999443519998 ~1988
221765233548243699 ~1991
22176683443533678 ~1988
22176911443538238 ~1988
221773571330641439 ~1990
221780873992055679 ~1991
Exponent Prime Factor Digits Year
22178099443561998 ~1988
22178231443564638 ~1988
221782933548526899 ~1991
22178699443573998 ~1988
221788032217880319 ~1990
22179071443581438 ~1988
22179623443592478 ~1988
22179791443595838 ~1988
22179863443597278 ~1988
221807211330843279 ~1990
221807833548925299 ~1991
22180811443616238 ~1988
22180859443617198 ~1988
22181279443625598 ~1988
22181339443626798 ~1988
221815211330891279 ~1990
22183043443660878 ~1988
22183151443663038 ~1988
22183391443667838 ~1988
221838017076632519111 ~1996
22184171443683438 ~1988
221847171774777379 ~1990
22184843443696878 ~1988
221850192218501919 ~1990
22185419443708398 ~1988
1542
GIMPS The Prime Pages FactorDb.com
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25-11-02