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
661036289Factored
FactorDigitsBitsDate
4206837797431709369992168.52018-02-12 05:34:09
History
DateUserTypeResult
2018-02-12ConductorF
Factor: 420683779743170936999 / TF: 68-69
2017-02-01sasakiNF
no factor from 2^67 to 2^68
2014-03-28-Anonymous-NF
no factor from 2^66 to 2^67
2013-12-15sasakiNF
no factor from 2^65 to 2^66
2012-01-23sasaki3NF
no factor from 2^64 to 2^65
2010-06-17Architects CubedNF
no factor from 2^63 to 2^64