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

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MnStatusDetails
70705871Factored
FactorDigitsBitsDate
674061810084811529541843525244235903779940132.32015-01-20 19:49:30
P-1 factors
DateFactorB1B2
2015-01-20674061810084811529541843525244235903779964500013222500
History
DateUserTypeResult
2015-01-20nranksF-PM1
Factor: 6740618100848115295418435252442359037799 / (P-1, B1=645000, B2=13222500, E=12)
2014-11-23TheJudgerNF
no factor from 2^73 to 2^74
2014-11-18Zr40NF
no factor from 2^72 to 2^73
2013-02-19Never Odd Or EvenNF
no factor from 2^71 to 2^72
2013-02-19Never Odd Or EvenNF
no factor from 2^70 to 2^71
2012-05-03-Anonymous-NF
no factor from 2^69 to 2^70
2010-05-17symalladNF
no factor from 2^68 to 2^69
2010-05-13symalladNF
no factor from 2^67 to 2^68
2010-05-10symalladNF
no factor from 2^66 to 2^67
2010-05-07symalladNF
no factor from 2^65 to 2^66
2010-05-01symalladNF
no factor from 2^64 to 2^65
2008-11-24George WoltmanNF
no factor to 2^64
2008-11-22Wojciech FlorekNF
no factor to 2^64
2008-11-22-Anonymous-NF
no factor to 2^64