Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
90497573Factored
FactorDigitsBitsDate
151317318658086668587725112683.62019-02-11 19:56:06
P-1 factors
DateFactorB1B2
2019-02-111513173186580866685877251169000012937500
History
DateUserTypeResult
2019-02-11ky0urakuF-PM1
Factor: 15131731865808666858772511 / (P-1, B1=690000, B2=12937500, E=6)
2019-01-27TheJudgerNF
no factor from 2^76 to 2^77
2018-12-02TheJudgerNF
no factor from 2^75 to 2^76
2018-12-02TheJudgerNF
no factor from 2^74 to 2^75
2018-11-08Carsten KossendeyNF
no factor from 2^73 to 2^74
2017-02-16Carsten KossendeyNF
no factor from 2^72 to 2^73
2016-02-14Carsten KossendeyNF
no factor from 2^71 to 2^72
2014-09-02-Anonymous-NF
no factor from 2^70 to 2^71
2014-03-31SMoffatNF
no factor from 2^69 to 2^70
2013-06-28Carsten KossendeyNF
no factor from 2^68 to 2^69
2011-08-22Carsten KossendeyNF
no factor from 2^67 to 2^68
2010-11-22Carsten KossendeyNF
no factor from 2^66 to 2^67
2010-10-16Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-08-20Carsten KossendeyNF
no factor from 2^64 to 2^65