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

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MnStatusDetails
101227447Factored
FactorDigitsBitsDate
772873363139703314689212376.02020-11-22 22:37:27
P-1 factors
DateFactorB1B2
2020-11-227728733631397033146892175000025000000
History
DateUserTypeResult
2020-11-22ky0urakuF-PM1
Factor: 77287336313970331468921 / (P-1, B1=750000, B2=25000000)
2020-10-02Luigi MorelliNF
no factor from 2^75 to 2^76
2020-09-28Richard ThomasNF
no factor from 2^74 to 2^75
2020-03-28Hans LoeblichNF
no factor from 2^73 to 2^74
2020-03-20el groccoNF
no factor from 2^72 to 2^73
2014-12-19SMoffatNF
no factor from 2^71 to 2^72
2014-07-20SMoffatNF
no factor from 2^70 to 2^71
2014-07-16SMoffatNF
no factor from 2^69 to 2^70
2014-07-12SMoffatNF
no factor from 2^68 to 2^69
2014-07-09SMoffatNF
no factor from 2^67 to 2^68
2013-10-24MatthiasNF
no factor from 2^66 to 2^67
2012-06-17RichardNF
no factor from 2^65 to 2^66
2010-08-13Jonathan A ZylstraNF
no factor from 2^64 to 2^65
2010-03-291997rj7NF
no factor from 2^63 to 2^64