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

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MnStatusDetails
87596281Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
18056610099859077404235612580.62018-06-04 04:34:18
P-1 factors
DateFactorB1B2
2018-06-04180566100998590774042356173000013687500
History
DateUserTypeResult
2018-06-04Smok_bmv F-PM1
Factor: 1805661009985907740423561 / (P-1, B1=730000, B2=13687500)
2018-04-30TheJudgerNF
no factor from 2^75 to 2^76
2017-06-13Travis Glenn RussoNF
no factor from 2^74 to 2^75
2017-06-13Travis Glenn RussoNF
no factor from 2^73 to 2^74
2017-06-13Travis Glenn RussoNF
no factor from 2^72 to 2^73
2017-06-13Travis Glenn RussoNF
no factor from 2^71 to 2^72
2014-03-10Preben SNF
no factor from 2^70 to 2^71
2013-03-18SMoffatNF
no factor from 2^69 to 2^70
2013-03-17SMoffatNF
no factor from 2^68 to 2^69
2013-03-15SMoffatNF
no factor from 2^67 to 2^68
2013-03-14SMoffatNF
no factor from 2^66 to 2^67
2013-03-08Freaks32NF
no factor from 2^65 to 2^66
2010-11-18Architects CubedNF
no factor from 2^64 to 2^65