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

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MnStatusDetails
98636107Factored
FactorDigitsBitsDate
40195501204761871433092492581.72020-05-25 02:51:54
P-1 factors
DateFactorB1B2
2020-05-25401955012047618714330924977000015015000
History
DateUserTypeResult
2020-05-25DRobinsonPEF-PM1
Factor: 4019550120476187143309249 / (P-1, B1=770000, B2=15015000, E=12)
2020-02-09TheJudgerNF
no factor from 2^76 to 2^77
2020-02-09TheJudgerNF
no factor from 2^75 to 2^76
2020-02-09TheJudgerNF
no factor from 2^74 to 2^75
2019-11-22Architects CubedNF
no factor from 2^73 to 2^74
2019-04-05Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2018-12-09masserNF
no factor from 2^71 to 2^72
2014-10-10SMoffatNF
no factor from 2^70 to 2^71
2014-10-08SMoffatNF
no factor from 2^69 to 2^70
2013-08-01SMoffatNF
no factor from 2^68 to 2^69
2013-07-30SMoffatNF
no factor from 2^67 to 2^68
2013-07-28SMoffatNF
no factor from 2^66 to 2^67
2013-07-27Le ComteNF
no factor from 2^65 to 2^66
2011-01-20Architects CubedNF
no factor from 2^64 to 2^65