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
731021671Factored
FactorDigitsBitsDate
12715298838295562976472270.12018-02-06 11:47:41
History
DateUserTypeResult
2018-02-06Daniil TsarkovF
Factor: 1271529883829556297647 / TF: 70-71
2013-11-27monstNF
no factor from 2^66 to 2^70
2013-09-08america64NF
no factor from 2^65 to 2^66
2011-04-30monstNF
no factor from 2^64 to 2^65
2010-06-22Architects CubedNF
no factor from 2^63 to 2^64