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

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MnStatusDetails
139690801Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
617138623501248209906511832685.72024-09-24 13:14:37
P-1 factors
DateFactorB1B2
2024-09-246171386235012482099065118381400082171530
History
DateUserTypeResult
2024-09-24Ryan PropperF-PM1
Factor: 61713862350124820990651183 / (P-1, B1=814000, B2=82171530)
2024-08-26theojkNF
no factor from 2^76 to 2^77
2024-07-21SRBaseNF
no factor from 2^75 to 2^76
2023-01-16SRBaseNF
no factor from 2^74 to 2^75
2021-08-04SRBaseNF
no factor from 2^73 to 2^74
2020-10-23SRBaseNF
no factor from 2^72 to 2^73
2016-09-29mhskNF
no factor from 2^71 to 2^72
2016-09-14mhskNF
no factor from 2^70 to 2^71
2016-08-25DerekNF
no factor from 2^69 to 2^70
2016-08-25DerekNF
no factor from 2^68 to 2^69
2016-05-03proxy2222NF
no factor from 2^67 to 2^68
2015-02-11vwflat4NF
no factor from 2^66 to 2^67
2012-11-24sasaki3NF
no factor from 2^65 to 2^66
2010-12-09RichardNF
no factor from 2^64 to 2^65
2010-06-13Charles A. MorrisNF
no factor from 2^63 to 2^64