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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.
Exp. Prime Factor Digits Year
7970153478209198 ~1986
7970279159405598 ~1985
7970357478221438 ~1986
7970533478231998 ~1986
7970771159415438 ~1985
7970783159415678 ~1985
7971251159425038 ~1985
7971503159430078 ~1985
79716174464105539 ~1988
79717073826419379 ~1988
7971737478304238 ~1986
7972043159440878 ~1985
79725831913419939 ~1988
7972691159453838 ~1985
79727531754005679 ~1987
7973219159464398 ~1985
7973219637857538
79732816219159199 ~1989
7973363159467278 ~1985
7973921637913698 ~1986
7973941478436478 ~1986
7974017637921378 ~1986
7974143159482878 ~1985
79742271435360879 ~1987
7974251637940098 ~1986
Exp. Prime Factor Digits Year
79742593349188799 ~1988
7974641478478478 ~1986
79747099569650819 ~1989
7974731159494638 ~1985
7974779637982338 ~1986
7975139159502798 ~1985
79752671276042739 ~1987
79754231276067699 ~1987
7975559638044738 ~1986
7975741478544478 ~1986
7975777478546638 ~1986
7975889638071138 ~1986
7976183159523678 ~1985
7976203965120563110 ~1992
7976231159524638 ~1985
7976651638132098 ~1986
7976693478601598 ~1986
7976861478611678 ~1986
7977133478627998 ~1986
7977157478629438 ~1986
7977191159543838 ~1985
7977197478631838 ~1986
7977197638175778
7977241478634478 ~1986
7977521478651278 ~1986
Exp. Prime Factor Digits Year
7977731159554638 ~1985
7977779159555598 ~1985
7977863159557278 ~1985
7977899159557998 ~1985
7978169638253538 ~1986
7978301638264098 ~1986
7978319159566398 ~1985
7978331159566638 ~1985
7978637478718238 ~1986
7978637638290978
7979197478751838 ~1986
7979201478752078 ~1986
7979243159584878 ~1985
7979351159587038 ~1985
7979533478771998 ~1986
79795491915091779 ~1988
7979567638365378 ~1986
7979771638381698 ~1986
7979891638391298 ~1986
79801211276819379 ~1987
7980179159603598 ~1985
7980239638419138 ~1986
7980443159608878 ~1985
79806291117288079 ~1987
7980683159613678 ~1985
Exp. Prime Factor Digits Year
7980911159618238 ~1985
79810871276973939 ~1987
7981283159625678 ~1985
7981481478888878 ~1986
7981553478893198 ~1986
7981817478909038 ~1986
79818471436732479 ~1987
7981937638554978 ~1986
7982141478928478 ~1986
79821412554285139
7982153478929198 ~1986
7982203798220318 ~1987
79825673831632179 ~1988
7982651159653038 ~1985
7982969638637538 ~1986
7983037478982238 ~1986
7983119159662398 ~1985
7983179159663598 ~1985
79833012394990319 ~1988
7983449638675938 ~1986
7983539159670798 ~1985
7983551159671038 ~1985
7983571798357118 ~1987
7983797479027838 ~1986
7983851159677038 ~1985
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25-11-02