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

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MnStatusDetails
90934621Factored
FactorDigitsBitsDate
2094089904607127376780172477.52019-03-25 06:36:37
P-1 factors
DateFactorB1B2
2019-03-252094089904607127376780176950000
History
DateUserTypeResult
2019-03-25ky0urakuF-PM1
Factor: 209408990460712737678017 / (P-1, B1=695000)
2019-01-27TheJudgerNF
no factor from 2^76 to 2^77
2018-12-09TheJudgerNF
no factor from 2^75 to 2^76
2018-12-09TheJudgerNF
no factor from 2^74 to 2^75
2018-12-09TheJudgerNF
no factor from 2^73 to 2^74
2017-08-01Carsten KossendeyNF
no factor from 2^72 to 2^73
2016-05-12Carsten KossendeyNF
no factor from 2^71 to 2^72
2014-11-29RichD0NF
no factor from 2^70 to 2^71
2014-04-01SMoffatNF
no factor from 2^69 to 2^70
2011-06-20Carsten KossendeyNF
no factor from 2^68 to 2^69
2011-01-29Carsten KossendeyNF
no factor from 2^67 to 2^68
2010-12-09Carsten KossendeyNF
no factor from 2^66 to 2^67
2010-11-18Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-05-18Carsten KossendeyNF
no factor from 2^64 to 2^65