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
100610971Factored
FactorDigitsBitsDate
27807650855170926303132241432891.22020-10-28 23:53:51
P-1 factors
DateFactorB1B2
2020-10-28278076508551709263031322414372500019864000
History
DateUserTypeResult
2020-10-28Jwb52zF-PM1
Factor: 2780765085517092630313224143 / (P-1, B1=725000, B2=19864000)
2020-09-11Bill StaffenNF
no factor from 2^75 to 2^76
2020-09-11Bill StaffenNF
no factor from 2^74 to 2^75
2020-04-20Architects CubedNF
no factor from 2^73 to 2^74
2020-03-08el groccoNF
no factor from 2^72 to 2^73
2014-12-06-Anonymous-NF
no factor from 2^71 to 2^72
2014-07-22dccNF
no factor from 2^70 to 2^71
2013-10-25GrunwalderGIMPNF
no factor from 2^69 to 2^70
2013-10-23GrunwalderGIMPNF
no factor from 2^68 to 2^69
2013-10-22g0bNF
no factor from 2^67 to 2^68
2011-03-22Craig MeyersNF
no factor from 2^66 to 2^67
2011-02-20Craig MeyersNF
no factor from 2^65 to 2^66
2010-08-11Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-01-031997rj7NF
no factor from 2^63 to 2^64