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

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MnStatusDetails
103179653Factored
FactorDigitsBitsDate
5811723939272596420238892478.92021-04-10 18:52:35
P-1 factors
DateFactorB1B2
2021-04-1058117239392725964202388985500017955000
History
DateUserTypeResult
2021-04-10Sergey NosovF-PM1
Factor: 581172393927259642023889 / (P-1, B1=855000, B2=17955000, E=12)
2020-11-30TheJudgerNF
no factor from 2^75 to 2^76
2020-11-30TheJudgerNF
no factor from 2^74 to 2^75
2020-01-10Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2020-01-10Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2020-01-08ViliamFNF
no factor from 2^73 to 2^74
2019-11-28Ryan PropperNF
no factor from 2^72 to 2^73
2014-12-17JMGarciaNF
no factor from 2^71 to 2^72
2014-08-01PascalBieriNF
no factor from 2^70 to 2^71
2014-07-26PascalBieriNF
no factor from 2^69 to 2^70
2014-07-20PascalBieriNF
no factor from 2^68 to 2^69
2014-07-17g0bNF
no factor from 2^67 to 2^68
2014-05-07Andreas_TruetschNF
no factor from 2^66 to 2^67
2012-05-04RichardNF
no factor from 2^65 to 2^66
2010-08-22ANONYMOUSNF
no factor from 2^64 to 2^65
2010-04-19RichardNF
no factor from 2^63 to 2^64