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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
297971939535101779 ~1992
29797403595948078 ~1989
29797763595955278 ~1989
29798291595965838 ~1989
297988492383907939 ~1991
29798999595979998 ~1989
29799131595982638 ~1989
297991731787950399 ~1991
29799227143036289710 ~1993
29799491595989838 ~1989
29799611595992238 ~1989
29800079596001598 ~1989
29800271596005438 ~1989
29800343596006878 ~1989
29800451596009038 ~1989
29800619596012398 ~1989
29800691596013838 ~1989
29800843101322866310 ~1992
29800871596017438 ~1989
29800943596018878 ~1989
298009571788057439 ~1991
298010692384085539 ~1991
29801351596027038 ~1989
29801771596035438 ~1989
29802863596057278 ~1989
Exponent Prime Factor Digits Year
29803223596064478 ~1989
298033377152800899 ~1992
29804279596085598 ~1989
29804303596086078 ~1989
29804363596087278 ~1989
298044411788266479 ~1991
298045571788273439 ~1991
29804639596092798 ~1989
298055771788334639 ~1991
29806939262301063310 ~1993
29807819596156398 ~1989
29808059596161198 ~1989
29808071596161438 ~1989
29808263596165278 ~1989
29808431596168638 ~1989
29808431506743327110
298085931788515599 ~1991
29808899596177998 ~1989
298095531788573199 ~1991
298096274769540339 ~1992
29810351596207038 ~1989
298103877750700639 ~1992
29810471596209438 ~1989
29810939596218798 ~1989
298110737154657539 ~1992
Exponent Prime Factor Digits Year
298112531788675199 ~1991
29811263596225278 ~1989
29811443596228878 ~1989
298118692384949539 ~1991
298120392981203919 ~1991
298125472385003779 ~1991
298129492385035939 ~1991
29813051596261038 ~1989
29813159596263198 ~1989
29813243840733452710 ~1995
29813579596271598 ~1989
29813951596279038 ~1989
29813999596279998 ~1989
298141515366547199 ~1992
29814611596292238 ~1989
298148811788892879 ~1991
298149772385198179 ~1991
29815139596302798 ~1989
298151875366733679 ~1992
29815823596316478 ~1989
29816411596328238 ~1989
29816879596337598 ~1989
29816939596338798 ~1989
29816999596339998 ~1989
29817143596342878 ~1989
Exponent Prime Factor Digits Year
29817299596345998 ~1989
29817503596350078 ~1989
298178694174501679 ~1991
29818031596360638 ~1989
298186315367353599 ~1992
298188016560136239 ~1992
29818979596379598 ~1989
29819123596382478 ~1989
29820179596403598 ~1989
29820911596418238 ~1989
29821871596437438 ~1989
298221894175106479 ~1991
298224534175143439 ~1991
29823071596461438 ~1989
29823229351914102310 ~1994
298232571789395439 ~1991
29823719596474398 ~1989
29823971596479438 ~1989
29824631596492638 ~1989
29824703596494078 ~1989
29824799596495998 ~1989
298248531789491199 ~1991
29824979596499598 ~1989
29826383596527678 ~1989
298273618948208319 ~1992
1722
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25-05-04