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
129409561Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
21635801832397128553813180572890.82024-08-02 17:27:41
P-1 factors
DateFactorB1B2
2024-08-02216358018323971285538131805711340001502428200
History
DateUserTypeResult
2024-08-02Luke DurantF-PM1
Factor: 2163580183239712855381318057 / (P-1, B1=1134000, B2=1502428200)
2023-03-28TravisJankNF
no factor from 2^76 to 2^77
2023-03-28TravisJankNF
no factor from 2^75 to 2^76
2022-12-26SRBaseNF
no factor from 2^74 to 2^75
2021-07-15SRBaseNF
no factor from 2^73 to 2^74
2020-10-20SRBaseNF
no factor from 2^72 to 2^73
2016-07-20workerthreadNF
no factor from 2^71 to 2^72
2016-05-17workerthreadNF
no factor from 2^70 to 2^71
2016-05-14workerthreadNF
no factor from 2^69 to 2^70
2016-04-30DerekNF
no factor from 2^68 to 2^69
2016-03-11proxy2222NF
no factor from 2^67 to 2^68
2015-01-13sannerud.comNF
no factor from 2^66 to 2^67
2012-10-05omiXorpNF
no factor from 2^65 to 2^66
2010-11-10Mr-PlonkNF
no factor from 2^64 to 2^65
2010-08-06sasaki3NF
no factor from 2^63 to 2^64