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
660534409Factored
FactorDigitsBitsDate
4380045383780936417512168.62018-02-09 21:03:49
History
DateUserTypeResult
2018-02-09ConductorF
Factor: 438004538378093641751 / TF: 68-69
2017-01-30sasakiNF
no factor from 2^67 to 2^68
2014-03-18sasakiNF
no factor from 2^66 to 2^67
2013-12-14sasakiNF
no factor from 2^65 to 2^66
2012-01-22LingUaanNF
no factor from 2^64 to 2^65
2010-06-05Architects CubedNF
no factor from 2^63 to 2^64