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

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MnStatusDetails
140248271Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2375721864979306805135692477.72024-09-26 06:02:49
P-1 factors
DateFactorB1B2
2024-09-2623757218649793068051356912010001401568740
History
DateUserTypeResult
2024-09-26Luke DurantF-PM1
Factor: 237572186497930680513569 / (P-1, B1=1201000, B2=1401568740)
2024-08-28infinigonNF
no factor from 2^76 to 2^77
2023-11-14tscNF
no factor from 2^75 to 2^76
2023-01-18SRBaseNF
no factor from 2^74 to 2^75
2021-11-02SRBaseNF
no factor from 2^73 to 2^74
2020-11-17SRBaseNF
no factor from 2^72 to 2^73
2017-03-05JoDuNF
no factor from 2^71 to 2^72
2017-02-23JoDuNF
no factor from 2^70 to 2^71
2015-05-10Judge HaleNF
no factor from 2^69 to 2^70
2015-05-10Judge HaleNF
no factor from 2^68 to 2^69
2015-05-10Judge HaleNF
no factor from 2^67 to 2^68
2015-02-13Simon WendelNF
no factor from 2^66 to 2^67
2012-11-27OS1NF
no factor from 2^65 to 2^66
2010-12-10carlos56NF
no factor from 2^64 to 2^65
2010-06-18Carsten KossendeyNF
no factor from 2^63 to 2^64