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

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MnStatusDetails
107652749Factored
FactorDigitsBitsDate
2129724620856419217919444332787.52021-02-14 16:58:45
P-1 factors
DateFactorB1B2
2021-02-1421297246208564192179194443355000005500000
History
DateUserTypeResult
2021-02-14rucioF-PM1
Factor: 212972462085641921791944433 / (P-1, B1=5500000)
2021-01-21Jon PaceNF
no factor from 2^75 to 2^76
2020-11-01ktonyNF
no factor from 2^74 to 2^75
2020-03-03Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2020-03-03Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2020-03-01el groccoNF
no factor from 2^72 to 2^73
2019-01-23Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2015-07-08SMoffatNF
no factor from 2^70 to 2^71
2015-06-11SMoffatNF
no factor from 2^69 to 2^70
2015-05-10Mihai PredaNF
no factor from 2^68 to 2^69
2015-05-04Mihai PredaNF
no factor from 2^67 to 2^68
2015-04-26Mihai PredaNF
no factor from 2^66 to 2^67
2012-05-19firereddNF
no factor from 2^65 to 2^66
2010-09-08DerekNF
no factor from 2^64 to 2^65
2010-04-30RichardNF
no factor from 2^63 to 2^64