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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
208591949292028728710 ~1998
2085936594171873199 ~1996
2086060434172120879 ~1996
2086072194172144399 ~1996
2086081314172162639 ~1996
2086116714172233439 ~1996
208618723208618723110 ~1998
2086291914172583839 ~1996
2086346634172693279 ~1996
2086460994172921999 ~1996
208646609166917287310 ~1997
208648199166918559310 ~1997
2086488594172977199 ~1996
2086537194173074399 ~1996
2086560834173121679 ~1996
2086565994173131999 ~1996
2086567194173134399 ~1996
2086612314173224639 ~1996
208664923208664923110 ~1998
2086704114173408239 ~1996
2086736514173473039 ~1996
2086737015842863628111 ~2001
2086812114173624239 ~1996
208687601166950080910 ~1997
208695197166956157710 ~1997
Exponent Prime Factor Digits Year
2087030034174060079 ~1996
2087059434174118879 ~1996
2087129514174259039 ~1996
2087129634174259279 ~1996
208716413125229847910 ~1997
2087175834174351679 ~1996
2087196114174392239 ~1996
2087359314174718639 ~1996
2087364594174729199 ~1996
208742467375736440710 ~1998
2087534034175068079 ~1996
2087549394175098799 ~1996
2087663994175327999 ~1996
2087742594175485199 ~1996
2087764794175529599 ~1996
208776691375798043910 ~1998
208782451208782451110 ~1998
2087837034175674079 ~1996
208792981125275788710 ~1997
2087986434175972879 ~1996
2088066594176133199 ~1996
208809343501142423310 ~1999
208810517125286310310 ~1997
2088106314176212639 ~1996
2088163194176326399 ~1996
Exponent Prime Factor Digits Year
208827809793545674310 ~1999
2088296394176592799 ~1996
2088376794176753599 ~1996
2088417234176834479 ~1996
208845817125307490310 ~1997
2088470634176941279 ~1996
2088490794176981599 ~1996
208850753125310451910 ~1997
208851281167081024910 ~1997
2088609234177218479 ~1996
2088647514177295039 ~1996
2088662994177325999 ~1996
2088725514177451039 ~1996
2088730194177460399 ~1996
208875587167100469710 ~1997
2088788634177577279 ~1996
208879241125327544710 ~1997
208888637125333182310 ~1997
2088896514177793039 ~1996
2088934914177869839 ~1996
2088968514177937039 ~1996
2088973794177947599 ~1996
208902493960951467910 ~1999
2089063314178126639 ~1996
2089077114178154239 ~1996
Exponent Prime Factor Digits Year
2089096434178192879 ~1996
2089128834178257679 ~1996
2089156314178312639 ~1996
2089179114178358239 ~1996
208918733125351239910 ~1997
208920139208920139110 ~1998
208921373125352823910 ~1997
2089233114178466239 ~1996
2089360611671488488111 ~2000
2089440234178880479 ~1996
2089461834178923679 ~1996
2089523394179046799 ~1996
208958587208958587110 ~1998
2089632834179265679 ~1996
2089710834179421679 ~1996
208971473125382883910 ~1997
208975049668720156910 ~1999
208990091167192072910 ~1997
2089918194179836399 ~1996
208994021167195216910 ~1997
2089940634179881279 ~1996
2090000634180001279 ~1996
2090006295517616605711 ~2001
209007079209007079110 ~1998
2090089511881080559111 ~2000
2825
GIMPS The Prime Pages FactorDb.com
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25-06-08