Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
138211427Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
258989896296778327531827713512994.42024-09-19 14:08:58
P-1 factors
DateFactorB1B2
2024-09-192589898962967783275318277135111530001153000
History
DateUserTypeResult
2024-09-19Luke DurantF-PM1
Factor: 25898989629677832753182771351 / (P-1, B1=1153000)
2024-08-19Ryan PropperNF
no factor from 2^76 to 2^77
2024-07-14SRBaseNF
no factor from 2^75 to 2^76
2023-01-13SRBaseNF
no factor from 2^74 to 2^75
2021-08-02SRBaseNF
no factor from 2^73 to 2^74
2020-10-23SRBaseNF
no factor from 2^72 to 2^73
2016-09-12DerekNF
no factor from 2^71 to 2^72
2016-09-11DerekNF
no factor from 2^70 to 2^71
2016-09-11nate.andersNF
no factor from 2^69 to 2^70
2016-03-10dbaughNF
no factor from 2^68 to 2^69
2016-02-16Ready4PrimeTimeNF
no factor from 2^67 to 2^68
2015-02-06nikoszNF
no factor from 2^66 to 2^67
2012-11-16HardyP GermanyNF
no factor from 2^65 to 2^66
2010-12-02Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-06-12CorranNF
no factor from 2^63 to 2^64