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

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MnStatusDetails
102357631Factored
FactorDigitsBitsDate
3219652059248751893063213692788.12021-01-27 01:44:42
P-1 factors
DateFactorB1B2
2021-01-2732196520592487518930632136973800019926000
History
DateUserTypeResult
2021-01-27Jwb52zF-PM1
Factor: 321965205924875189306321369 / (P-1, B1=738000, B2=19926000)
2020-11-09Hans LoeblichNF
no factor from 2^75 to 2^76
2020-11-04lobsterfordinnerNF
no factor from 2^74 to 2^75
2020-03-30SRBaseNF
no factor from 2^73 to 2^74
2020-03-28SRBaseNF
no factor from 2^72 to 2^73
2018-12-13el groccoNF
no factor from 2^71 to 2^72
2014-12-20SMoffatNF
no factor from 2^70 to 2^71
2014-11-19RMAC9.5NF
no factor from 2^69 to 2^70
2014-11-07DasDanielNF
no factor from 2^68 to 2^69
2013-12-18ITSNF
no factor from 2^67 to 2^68
2013-08-27RobishNF
no factor from 2^66 to 2^67
2012-04-22Andrew BNF
no factor from 2^65 to 2^66
2010-08-18-Anonymous-NF
no factor from 2^64 to 2^65
2010-05-021997rj7NF
no factor from 2^63 to 2^64