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

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MnStatusDetails
150681599Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2037463086163105232565372477.42024-11-26 20:30:56
P-1 factors
DateFactorB1B2
2024-11-26203746308616310523256537916000916000
History
DateUserTypeResult
2024-11-26Ryan PropperF-PM1
Factor: 203746308616310523256537 / (P-1, B1=916000)
2024-04-05La GüiraNF
no factor from 2^75 to 2^76
2023-01-25BorekNF
no factor from 2^74 to 2^75
2021-11-12SRBaseNF
no factor from 2^73 to 2^74
2017-09-08David HruskaNF
no factor from 2^72 to 2^73
2017-08-06workerthreadNF
no factor from 2^71 to 2^72
2017-07-17workerthreadNF
no factor from 2^70 to 2^71
2017-07-15workerthreadNF
no factor from 2^69 to 2^70
2016-07-10Josh FamestadNF
no factor from 2^68 to 2^69
2016-04-16Jason UNF
no factor from 2^67 to 2^68
2015-03-20aurashiftNF
no factor from 2^66 to 2^67
2013-01-15AKAxAutoNF
no factor from 2^65 to 2^66
2011-01-12ZIM30NF
no factor from 2^64 to 2^65
2010-06-22subgeniusNF
no factor from 2^63 to 2^64