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
173666561Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
21814246113731008490211722712890.82024-09-25 10:19:44
P-1 factors
DateFactorB1B2
2024-09-25218142461137310084902117227114360001436000
History
DateUserTypeResult
2024-09-25Luke DurantF-PM1
Factor: 2181424611373100849021172271 / (P-1, B1=1436000)
2024-09-24SRBaseNF
no factor from 2^75 to 2^76
2024-05-27ANONYMOUSNF
no factor from 2^68 to 2^69
2023-03-24SRBaseNF
no factor from 2^74 to 2^75
2021-12-25SRBaseNF
no factor from 2^73 to 2^74
2018-03-17RichardNF
no factor from 2^72 to 2^73
2018-03-16RichardNF
no factor from 2^71 to 2^72
2018-03-16RichardNF
no factor from 2^70 to 2^71
2018-03-15nate.andersNF
no factor from 2^69 to 2^70
2017-05-09sasaki3NF
no factor from 2^68 to 2^69
2016-06-09rmaximusNF
no factor from 2^67 to 2^68
2015-07-05-Anonymous-NF
no factor from 2^66 to 2^67
2013-04-09CorbyguyNF
no factor from 2^65 to 2^66
2011-03-02sasaki3NF
no factor from 2^64 to 2^65
2010-07-13Torchwood InstituteNF
no factor from 2^63 to 2^64