Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
116647507Factored
FactorDigitsBitsDate
3897147978131280816408221932788.32022-11-03 08:15:48
P-1 factors
DateFactorB1B2
2022-11-0338971479781312808164082219358500010822500
History
DateUserTypeResult
2022-11-03Sergey NosovF-PM1
Factor: 389714797813128081640822193 / (P-1, B1=585000, B2=10822500, E=12)
2022-03-30AerowNF
no factor from 2^76 to 2^77
2021-06-12TheJudgerNF
no factor from 2^75 to 2^76
2021-06-12TheJudgerNF
no factor from 2^74 to 2^75
2021-02-12Richard ThomasNF
no factor from 2^73 to 2^74
2020-04-27SRBaseNF
no factor from 2^72 to 2^73
2015-09-09sevaNF
no factor from 2^71 to 2^72
2015-09-07sevaNF
no factor from 2^70 to 2^71
2015-09-06Andreas_TruetschNF
no factor from 2^69 to 2^70
2015-03-30ANONYMOUSNF
no factor from 2^68 to 2^69
2015-03-07XebecerNF
no factor from 2^67 to 2^68
2014-12-05KayJongsmaNF
no factor from 2^66 to 2^67
2012-09-15Kelly HarlanNF
no factor from 2^65 to 2^66
2010-10-09Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-10Torchwood InstituteNF
no factor from 2^63 to 2^64