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
63376507Factored
FactorDigitsBitsDate
689636499961839521908332375.92013-09-16 19:45:17
P-1 factors
DateFactorB1B2
2013-09-16689636499961839521908335700000
History
DateUserTypeResult
2022-03-30LordJuliusNF
no factor from 2^1 to 2^63
2013-09-16BdotF-PM1
Factor: 68963649996183952190833
2013-08-26BigBrotherNF
no factor from 2^73 to 2^74
2013-03-06Jerry HallettNF
no factor from 2^72 to 2^73
2013-03-06Jerry HallettNF
no factor from 2^71 to 2^72
2012-08-15GrunwalderGIMPNF
no factor from 2^70 to 2^71
2011-12-28symalladNF
no factor from 2^69 to 2^70
2010-05-05ANONYMOUSNF
no factor from 2^68 to 2^69
2009-03-07glennpatNF
no factor from 2^67 to 2^68
2009-02-28glennpatNF
no factor from 2^66 to 2^67
2009-02-27glennpatNF
no factor from 2^65 to 2^66
2009-02-26glennpatNF
no factor from 2^64 to 2^65
2009-02-21Wojciech FlorekNF
no factor from 2^63 to 2^64