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

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MnStatusDetails
117073211Factored
FactorDigitsBitsDate
202756142239876947645637572972994.02022-12-04 03:50:31
P-1 factors
DateFactorB1B2
2022-12-042027561422398769476456375729756900025364000
History
DateUserTypeResult
2022-12-04ky0urakuF-PM1
Factor: 20275614223987694764563757297 / (P-1, B1=569000, B2=25364000)
2022-05-08TheJudgerNF
no factor from 2^76 to 2^77
2021-01-08jwnutterNF
no factor from 2^75 to 2^76
2021-01-08jwnutterNF
no factor from 2^74 to 2^75
2020-03-03Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2020-03-03Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2015-03-13Josh FamestadNF
no factor from 2^71 to 2^72
2014-03-10HBendtzNF
no factor from 2^70 to 2^71
2014-03-10HBendtzNF
no factor from 2^69 to 2^70
2014-03-10HBendtzNF
no factor from 2^68 to 2^69
2014-03-10HBendtzNF
no factor from 2^67 to 2^68
2014-03-10HBendtzNF
no factor from 2^66 to 2^67
2012-07-03sasaki3NF
no factor from 2^65 to 2^66
2010-10-10Thomas StorkNF
no factor from 2^64 to 2^65
2010-05-11kiwiboyNF
no factor from 2^63 to 2^64