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

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MnStatusDetails
102477191Factored
FactorDigitsBitsDate
3905636646311057746045474312788.32021-02-03 19:13:14
P-1 factors
DateFactorB1B2
2021-02-0339056366463110577460454743140000004000000
History
DateUserTypeResult
2021-02-03Mihai PredaF-PM1
Factor: 390563664631105774604547431 / (P-1, B1=4000000)
2020-11-08TheJudgerNF
no factor from 2^75 to 2^76
2020-11-08TheJudgerNF
no factor from 2^74 to 2^75
2020-03-30SRBaseNF
no factor from 2^73 to 2^74
2020-03-29SRBaseNF
no factor from 2^72 to 2^73
2017-10-27el groccoNF
no factor from 2^71 to 2^72
2015-02-07JustinNF
no factor from 2^70 to 2^71
2015-02-01JustinNF
no factor from 2^69 to 2^70
2014-07-13Preben SNF
no factor from 2^68 to 2^69
2014-07-11SMoffatNF
no factor from 2^67 to 2^68
2014-05-05g0bNF
no factor from 2^66 to 2^67
2012-04-26RichardNF
no factor from 2^65 to 2^66
2010-08-19DerekNF
no factor from 2^64 to 2^65
2010-04-181997rj7NF
no factor from 2^63 to 2^64