Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
101487979Factored
FactorDigitsBitsDate
5582631412887298726777132478.92020-12-08 18:43:55
P-1 factors
DateFactorB1B2
2020-12-085582631412887298726777137160000
History
DateUserTypeResult
2020-12-08DRobinsonPEF-PM1
Factor: 558263141288729872677713 / (P-1, B1=716000)
2020-10-10TheJudgerNF
no factor from 2^75 to 2^76
2020-10-10TheJudgerNF
no factor from 2^74 to 2^75
2020-03-30SRBaseNF
no factor from 2^73 to 2^74
2020-03-23el groccoNF
no factor from 2^72 to 2^73
2014-12-02shaugeNF
no factor from 2^71 to 2^72
2013-09-05SMoffatNF
no factor from 2^70 to 2^71
2013-09-02SMoffatNF
no factor from 2^69 to 2^70
2013-08-29CSLatDDNF
no factor from 2^68 to 2^69
2013-08-26RobishNF
no factor from 2^67 to 2^68
2013-08-26RobishNF
no factor from 2^66 to 2^67
2012-04-16tscNF
no factor from 2^65 to 2^66
2010-08-13Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-03-211997rj7NF
no factor from 2^63 to 2^64