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
106629827Factored
FactorDigitsBitsDate
153125589037055753265389013372993.62021-10-06 22:50:03
P-1 factors
DateFactorB1B2
2021-10-061531255890370557532653890133790000018900000
History
DateUserTypeResult
2021-10-06Ben DeloF-PM1
Factor: 15312558903705575326538901337 / (P-1, B1=900000, B2=18900000, E=12)
2021-04-08TheJudgerNF
no factor from 2^75 to 2^76
2021-04-08TheJudgerNF
no factor from 2^74 to 2^75
2020-05-11bayanneNF
no factor from 2^73 to 2^74
2020-02-14el groccoNF
no factor from 2^72 to 2^73
2015-02-17Steve JacobsonNF
no factor from 2^71 to 2^72
2014-05-27Andreas_TruetschNF
no factor from 2^70 to 2^71
2013-09-26RobishNF
no factor from 2^69 to 2^70
2013-09-22RobishNF
no factor from 2^68 to 2^69
2013-09-21RobishNF
no factor from 2^67 to 2^68
2013-09-15-Anonymous-NF
no factor from 2^66 to 2^67
2012-05-07america64NF
no factor from 2^65 to 2^66
2010-09-05sasaki3NF
no factor from 2^64 to 2^65
2010-04-23subgeniusNF
no factor from 2^63 to 2^64