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
578012173Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2189675163428295487992167.62016-11-25 18:17:19
History
DateUserTypeResult
2016-11-25ConductorF
Factor: 218967516342829548799 / TF: 67-68
2015-10-28sasakiNF
no factor from 2^66 to 2^67
2014-11-01sasakiNF
no factor from 2^65 to 2^66
2011-10-28Architects CubedNF
no factor from 2^64 to 2^65
2010-03-02Architects CubedNF
no factor from 2^63 to 2^64