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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
1236881937421291599 ~1995
1236887777421326639 ~1995
1236890992473781999 ~1994
1236938819895510499 ~1996
1236990479895923779 ~1996
1237015817422094879 ~1995
1237017712474035439 ~1994
1237034512474069039 ~1994
1237035712474071439 ~1994
1237036312474072639 ~1994
1237084432474168879 ~1994
1237111792474223599 ~1994
123717647222691764710 ~1997
1237177319897418499 ~1996
123720923296930215310 ~1997
1237263777423582639 ~1995
1237265032474530079 ~1994
1237265632474531279 ~1994
1237273792474547599 ~1994
1237282377423694239 ~1995
1237336937424021599 ~1995
1237441991484930388111 ~1999
1237458832474917679 ~1994
1237461972078936109711 ~1999
1237480432474960879 ~1994
Exponent Prime Factor Digits Year
1237492312474984639 ~1994
1237514992475029999 ~1994
1237554479900435779 ~1996
1237573912475147839 ~1994
1237591377425548239 ~1995
1237602232475204479 ~1994
1237627312475254639 ~1994
1237651792475303599 ~1994
1237652279901218179 ~1996
1237658217425949279 ~1995
1237685392475370799 ~1994
1237695592475391199 ~1994
1237700512475401039 ~1994
123776461272308214310 ~1997
1237781632475563279 ~1994
1237821112475642239 ~1994
1237838399902707139 ~1996
123786149173300608710 ~1996
1237895817427374879 ~1995
1237898392475796799 ~1994
1237906192475812399 ~1994
1237925231015098688711 ~1998
1237947712475895439 ~1994
1237979512475959039 ~1994
1237982992475965999 ~1994
Exponent Prime Factor Digits Year
1238034232476068479 ~1994
123805027123805027110 ~1996
123806173495224692110 ~1997
123806297371418891110 ~1997
123806731198090769710 ~1996
1238083817428502879 ~1995
1238084392476168799 ~1994
1238085377428512239 ~1995
1238091232476182479 ~1994
1238098312476196639 ~1994
1238118377428710239 ~1995
1238124592476249199 ~1994
1238157179905257379 ~1996
1238170792476341599 ~1994
1238193592476387199 ~1994
1238195937429175599 ~1995
1238204392476408799 ~1994
1238216992476433999 ~1994
1238250832476501679 ~1994
1238254192476508399 ~1994
1238286232476572479 ~1994
1238290912476581839 ~1994
1238310899906487139 ~1996
1238336032476672079 ~1994
1238359192476718399 ~1994
Exponent Prime Factor Digits Year
1238370232476740479 ~1994
123838313173373638310 ~1996
1238411279907290179 ~1996
1238455312476910639 ~1994
1238499832476999679 ~1994
1238560912477121839 ~1994
1238592832477185679 ~1994
1238601977431611839 ~1995
1238634832477269679 ~1994
1238634977431809839 ~1995
123865733173412026310 ~1996
1238661592477323199 ~1994
1238738392477476799 ~1994
1238745592477491199 ~1994
1238755792477511599 ~1994
1238878432477756879 ~1994
1238883712477767439 ~1994
123890227123890227110 ~1996
123890653297337567310 ~1997
123894229297346149710 ~1997
1238943112477886239 ~1994
1238977432477954879 ~1994
123902083123902083110 ~1996
123904087123904087110 ~1996
1239056931065588959911 ~1998
2520
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25-04-20