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
108066799Factored
FactorDigitsBitsDate
1854283324196760381953532477.32021-12-15 04:26:26
P-1 factors
DateFactorB1B2
2021-12-15185428332419676038195353763000763000
History
DateUserTypeResult
2021-12-15Jwb52zF-PM1
Factor: 185428332419676038195353 / (P-1, B1=763000)
2021-04-17TheJudgerNF
no factor from 2^75 to 2^76
2021-04-17TheJudgerNF
no factor from 2^74 to 2^75
2019-12-01Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2019-12-01Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2019-01-21Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2014-11-16shaugeNF
no factor from 2^70 to 2^71
2014-11-14Earle LoweNF
no factor from 2^69 to 2^70
2014-10-31Earle LoweNF
no factor from 2^68 to 2^69
2014-07-21SMoffatNF
no factor from 2^67 to 2^68
2013-09-22shengNF
no factor from 2^66 to 2^67
2012-05-20omiXorpNF
no factor from 2^65 to 2^66
2010-09-09Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-05-01RichardNF
no factor from 2^63 to 2^64