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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
150818027Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
853940427865005676936355692686.12024-11-28 01:53:27
P-1 factors
DateFactorB1B2
2024-11-288539404278650056769363556992600093891420
History
DateUserTypeResult
2024-11-28Ryan PropperF-PM1
Factor: 85394042786500567693635569 / (P-1, B1=926000, B2=93891420)
2024-01-23La GüiraNF
no factor from 2^75 to 2^76
2023-02-06SRBaseNF
no factor from 2^74 to 2^75
2021-11-12SRBaseNF
no factor from 2^73 to 2^74
2018-02-19hktNF
no factor from 2^72 to 2^73
2018-02-19hktNF
no factor from 2^71 to 2^72
2018-01-21proxy2222NF
no factor from 2^70 to 2^71
2017-07-28Choi4KANGNF
no factor from 2^69 to 2^70
2016-07-14Josh FamestadNF
no factor from 2^68 to 2^69
2016-04-16pjwrightNF
no factor from 2^67 to 2^68
2015-03-21barrakoudaNF
no factor from 2^66 to 2^67
2013-01-16carlos56NF
no factor from 2^65 to 2^66
2011-01-27EPFNF
no factor from 2^64 to 2^65
2010-06-22Mr-PlonkNF
no factor from 2^63 to 2^64