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

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MnStatusDetails
81309119Factored
FactorDigitsBitsDate
2127887754597769061892712477.52017-05-09 04:23:01
P-1 factors
DateFactorB1B2
2017-05-092127887754597769061892716800000
History
DateUserTypeResult
2017-05-09Jwb52zF-PM1
Factor: 212788775459776906189271 / (P-1, B1=680000)
2016-11-11-Anonymous-NF
no factor from 2^74 to 2^75
2016-11-11-Anonymous-NF
no factor from 2^73 to 2^74
2016-09-20Judge HaleNF
no factor from 2^72 to 2^73
2016-09-20Judge HaleNF
no factor from 2^71 to 2^72
2014-02-25GrunwalderGIMPNF
no factor from 2^70 to 2^71
2013-03-02Andriy MakukhaNF
no factor from 2^69 to 2^70
2013-02-25OLAFENF
no factor from 2^68 to 2^69
2013-02-14Simon HarrisonNF
no factor from 2^67 to 2^68
2013-01-30phoenicisNF
no factor from 2^66 to 2^67
2012-08-20Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-12-08Architects CubedNF
no factor from 2^64 to 2^65