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

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MnStatusDetails
139706363Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
672516805708006206468367932685.82024-09-24 00:29:01
P-1 factors
DateFactorB1B2
2024-09-246725168057080062064683679381400082171530
History
DateUserTypeResult
2024-09-24Ryan PropperF-PM1
Factor: 67251680570800620646836793 / (P-1, B1=814000, B2=82171530)
2024-08-16RichardNF
no factor from 2^76 to 2^77
2024-07-19SRBaseNF
no factor from 2^75 to 2^76
2023-01-16SRBaseNF
no factor from 2^74 to 2^75
2021-08-05SRBaseNF
no factor from 2^73 to 2^74
2020-11-19SRBaseNF
no factor from 2^72 to 2^73
2016-08-30arnaudNF
no factor from 2^71 to 2^72
2016-08-29DerekNF
no factor from 2^70 to 2^71
2016-08-26DerekNF
no factor from 2^69 to 2^70
2016-08-26DerekNF
no factor from 2^68 to 2^69
2016-07-18proxy2222NF
no factor from 2^67 to 2^68
2015-02-11vwflat4NF
no factor from 2^66 to 2^67
2012-11-27RichardNF
no factor from 2^65 to 2^66
2010-12-07sasaki3NF
no factor from 2^64 to 2^65
2010-06-13Charles A. MorrisNF
no factor from 2^63 to 2^64