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
67560391Factored
FactorDigitsBitsDate
328571423684271139263532374.82014-05-25 18:40:36
P-1 factors
DateFactorB1B2
2014-05-25328571423684271139263536150000
History
DateUserTypeResult
2014-05-25tscF-PM1
Factor: 32857142368427113926353
2014-05-18TheJudgerNF
no factor from 2^73 to 2^74
2014-05-11James HeinrichNF
no factor from 2^72 to 2^73
2014-05-06chalsallNF
no factor from 2^71 to 2^72
2012-07-21Zet_korNF
no factor from 2^70 to 2^71
2012-02-24dslNF
no factor from 2^69 to 2^70
2010-01-21arnaudNF
no factor from 2^68 to 2^69
2010-01-16arnaudNF
no factor from 2^67 to 2^68
2010-01-10arnaudNF
no factor from 2^66 to 2^67
2010-01-05steinrarNF
no factor from 2^65 to 2^66
2010-01-03Sturle SundeNF
no factor from 2^64 to 2^65
2008-12-25Wojciech FlorekNF
no factor from 2^63 to 2^64