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

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MnStatusDetails
75510157Factored
FactorDigitsBitsDate
5114256030465778783645971570013098.72016-08-22 17:48:34
P-1 factors
DateFactorB1B2
2016-08-2251142560304657787836459715700163000012757500
History
DateUserTypeResult
2016-08-22baseyF-PM1
Factor: 511425603046577878364597157001 / (P-1, B1=630000, B2=12757500, E=12)
2016-02-15ChuckNF
no factor from 2^74 to 2^75
2016-02-15ChuckNF
no factor from 2^73 to 2^74
2016-02-10BdotNF
no factor from 2^72 to 2^73
2014-03-01PEDNF
no factor from 2^71 to 2^72
2013-12-05SMoffatNF
no factor from 2^70 to 2^71
2012-12-09E.LechnerNF
no factor from 2^69 to 2^70
2010-09-22S00030NF
no factor from 2^68 to 2^69
2008-07-03-Anonymous-NF
no factor to 2^68