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
108026407Factored
FactorDigitsBitsDate
1091889430055942565027928732786.52021-01-26 21:05:16
P-1 factors
DateFactorB1B2
2021-01-2610918894300559425650279287355000005500000
History
DateUserTypeResult
2021-01-26Ernst W. MayerF-PM1
Factor: 109188943005594256502792873 / (P-1, B1=5500000)
2020-10-18ktonyNF
no factor from 2^75 to 2^76
2020-10-18ktonyNF
no factor from 2^74 to 2^75
2019-12-08Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2019-12-08Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2015-01-21Brandon VincentNF
no factor from 2^71 to 2^72
2013-09-30SMoffatNF
no factor from 2^70 to 2^71
2013-09-30SMoffatNF
no factor from 2^69 to 2^70
2013-09-28SMoffatNF
no factor from 2^68 to 2^69
2013-09-27SMoffatNF
no factor from 2^67 to 2^68
2013-09-23shengNF
no factor from 2^66 to 2^67
2012-05-20omiXorpNF
no factor from 2^65 to 2^66
2010-09-09WPSNF
no factor from 2^64 to 2^65
2010-04-26-Anonymous-NF
no factor from 2^63 to 2^64