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

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MnStatusDetails
133379839Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
19743599598084317263331882472890.72024-07-08 22:35:16
P-1 factors
DateFactorB1B2
2024-07-081974359959808431726333188247853000133903350
History
DateUserTypeResult
2024-07-08Jeff_GilchristF-PM1
Factor: 1974359959808431726333188247 / (P-1, B1=853000, B2=133903350)
2023-10-04ANONYMOUSNF
no factor from 2^76 to 2^77
2023-08-31rushynNF
no factor from 2^75 to 2^76
2022-12-30SRBaseNF
no factor from 2^74 to 2^75
2021-07-23SRBaseNF
no factor from 2^73 to 2^74
2020-10-28SRBaseNF
no factor from 2^72 to 2^73
2016-02-01SourceBinary.comNF
no factor from 2^71 to 2^72
2016-01-27guruNF
no factor from 2^70 to 2^71
2016-01-27guruNF
no factor from 2^69 to 2^70
2016-01-27guruNF
no factor from 2^68 to 2^69
2016-01-21Andreas_TruetschNF
no factor from 2^67 to 2^68
2015-01-29RichardNF
no factor from 2^66 to 2^67
2012-10-24RichardNF
no factor from 2^65 to 2^66
2010-11-19Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-06-07abcNF
no factor from 2^63 to 2^64