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
663704687Factored
FactorDigitsBitsDate
4253858811458196808332168.52018-02-27 12:22:34
History
DateUserTypeResult
2018-02-27ConductorF
Factor: 425385881145819680833 / TF: 68-69
2017-02-09sasakiNF
no factor from 2^67 to 2^68
2014-04-16sasakiNF
no factor from 2^66 to 2^67
2013-12-23sasakiNF
no factor from 2^65 to 2^66
2012-01-24oodairaNF
no factor from 2^64 to 2^65
2010-06-22Architects CubedNF
no factor from 2^63 to 2^64