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

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MnStatusDetails
137624587Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2120685810053790512994312477.52024-09-18 05:24:49
P-1 factors
DateFactorB1B2
2024-09-1821206858100537905129943111720001188831930
History
DateUserTypeResult
2024-09-18Luke DurantF-PM1
Factor: 212068581005379051299431 / (P-1, B1=1172000, B2=1188831930)
2024-07-22Luke DurantNF
no factor from 2^76 to 2^77
2024-07-15SRBaseNF
no factor from 2^75 to 2^76
2023-01-21SRBaseNF
no factor from 2^74 to 2^75
2021-07-31SRBaseNF
no factor from 2^73 to 2^74
2020-10-27SRBaseNF
no factor from 2^72 to 2^73
2016-06-24David HruskaNF
no factor from 2^71 to 2^72
2016-05-13David HruskaNF
no factor from 2^70 to 2^71
2016-04-09David HruskaNF
no factor from 2^69 to 2^70
2016-03-04Erik EklundNF
no factor from 2^68 to 2^69
2016-03-02dbaughNF
no factor from 2^67 to 2^68
2015-02-053astNF
no factor from 2^66 to 2^67
2012-11-13KoekieNF
no factor from 2^65 to 2^66
2010-12-09BumblebeeNF
no factor from 2^64 to 2^65
2010-06-11James HintzNF
no factor from 2^63 to 2^64