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
617007359Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2199891336952658240892167.62016-12-03 11:03:01
History
DateUserTypeResult
2016-12-03ConductorF
Factor: 219989133695265824089 / TF: 67-68
2014-03-02sasakiNF
no factor from 2^65 to 2^67
2012-01-14Damian SilvestreNF
no factor from 2^64 to 2^65
2010-07-31Architects CubedNF
no factor from 2^63 to 2^64