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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
40250617212415037032711 ~2007
4025353679805070735910 ~2006
40254380474025438047111 ~2008
40256176913220494152911 ~2008
40256198834025619883111 ~2008
4025713319805142663910 ~2006
4025784023805156804710 ~2006
4026123203805224640710 ~2006
4026200939805240187910 ~2006
40263955332415837319911 ~2007
40265338073221227045711 ~2008
4026665603805333120710 ~2006
4026735299805347059910 ~2006
40267400899664176213711 ~2009
40268740012416124400711 ~2007
402689180919329080683312 ~2009
4026961943805392388710 ~2006
4027060463805412092710 ~2006
4027066871805413374310 ~2006
40271403175637996443911 ~2008
40272194597248995026311 ~2008
4027225211805445042310 ~2006
40273284018860122482311 ~2009
4027449119805489823910 ~2006
4027485551805497110310 ~2006
Exponent Prime Factor Digits Year
4027594223805518844710 ~2006
4027957331805591466310 ~2006
40279584893222366791311 ~2008
4028096063805619212710 ~2006
4028176079805635215910 ~2006
402825524338671250332912 ~2010
40283546213222683696911 ~2008
40284351436445496228911 ~2008
4028473439805694687910 ~2006
40286798813222943904911 ~2008
4028709851805741970310 ~2006
4028893859805778771910 ~2006
4029049463805809892710 ~2006
4029063719805812743910 ~2006
4029278303805855660710 ~2006
4029284111805856822310 ~2006
40293149812417588988711 ~2007
40294936732417696203911 ~2007
4029685631805937126310 ~2006
4029689903805937980710 ~2006
4029765251805953050310 ~2006
40298159212417889552711 ~2007
4029914771805982954310 ~2006
403004168912896133404912 ~2009
40300593593224047487311 ~2008
Exponent Prime Factor Digits Year
40300714572418042874311 ~2007
4030238939806047787910 ~2006
4030249403806049880710 ~2006
40302819113224225528911 ~2008
4030494959806098991910 ~2006
4030844591806168918310 ~2006
4030937483806187496710 ~2006
40310688012418641280711 ~2007
4031228231806245646310 ~2006
40313813116450210097711 ~2008
4031451563806290312710 ~2006
40314604812418876288711 ~2007
4031557163806311432710 ~2006
4031584619806316923910 ~2006
40316065397256891770311 ~2008
4031846783806369356710 ~2006
4032035699806407139910 ~2006
40320717895644900504711 ~2008
4032142139806428427910 ~2006
40322038936451526228911 ~2008
40323229613225858368911 ~2008
4032460931806492186310 ~2006
40324942936451990868911 ~2008
40325468273226037461711 ~2008
4032748871806549774310 ~2006
Exponent Prime Factor Digits Year
403276632719357278369712 ~2009
4032802331806560466310 ~2006
4033075811806615162310 ~2006
40331744898872983875911 ~2009
40332233332419933999911 ~2007
4033529651806705930310 ~2006
40335325379680478088911 ~2009
4033633811806726762310 ~2006
4033803311806760662310 ~2006
40338944114033894411111 ~2008
4033911551806782310310 ~2006
4033922279806784455910 ~2006
4033949651806789930310 ~2006
40339625393227170031311 ~2008
4034073479806814695910 ~2006
4034089211806817842310 ~2006
4034255999806851199910 ~2006
40344285113227542808911 ~2008
4034438483806887696710 ~2006
4034541083806908216710 ~2006
40345799776455327963311 ~2008
40346743634034674363111 ~2008
4034729651806945930310 ~2006
4034874803806974960710 ~2006
4035197063807039412710 ~2006
4368
GIMPS The Prime Pages FactorDb.com
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26-01-11