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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
150733381Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
2621345289683829915143128812787.82024-11-26 20:28:46
7157496260048559169107490812789.22024-11-26 20:28:46
P-1 factors
DateFactorB1B2
2024-11-26187622691072079195493239434041677409725545250717212361926000926000
History
DateUserTypeResult
2024-11-26Ryan PropperF-PM1
Factors: 262134528968382991514312881,715749626004855916910749081 / (P-1, B1=926000)
2024-03-06La 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
2017-10-23Choi4KANGNF
no factor from 2^71 to 2^72
2017-10-11workerthreadNF
no factor from 2^72 to 2^73
2017-10-04workerthreadNF
no factor from 2^71 to 2^72
2017-03-24nuclear-smilieNF
no factor from 2^70 to 2^71
2017-01-16Adam BuranNF
no factor from 2^69 to 2^70
2016-07-11Josh FamestadNF
no factor from 2^68 to 2^69
2016-04-25RichardNF
no factor from 2^67 to 2^68
2015-03-20aurashiftNF
no factor from 2^66 to 2^67
2013-01-19mrtNF
no factor from 2^65 to 2^66
2011-01-12sannerud.comNF
no factor from 2^64 to 2^65
2010-06-22subgeniusNF
no factor from 2^63 to 2^64