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

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MnStatusDetails
71694323Factored
FactorDigitsBitsDate
57257766215773383265204262169458332936118.82015-04-19 15:23:47
P-1 factors
DateFactorB1B2
2015-04-195725776621577338326520426216945833297050000
History
DateUserTypeResult
2015-04-19TheJudgerF-PM1
Factor: 572577662157733832652042621694583329 / (P-1, B1=705000)
2015-03-05BdotNF
no factor from 2^72 to 2^73
2015-02-07srow7NF
no factor from 2^71 to 2^72
2014-05-05HBendtzNF
no factor from 2^70 to 2^71
2012-05-13-Anonymous-NF
no factor from 2^69 to 2^70
2010-07-24NurpuriNF
no factor from 2^68 to 2^69
2010-07-19arnaudNF
no factor from 2^67 to 2^68
2010-07-09GrunwalderGIMPNF
no factor from 2^66 to 2^67
2010-07-08ArTNF
no factor from 2^65 to 2^66
2010-04-25E.LechnerNF
no factor from 2^64 to 2^65
2008-10-14-Anonymous-NF
no factor to 2^64