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
619188643Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5256198232701056969112168.82016-10-04 03:53:53
History
DateUserTypeResult
2016-10-04NipalF
Factor: 525619823270105696911 / TF: 67-70
2014-03-10sasakiNF
no factor from 2^65 to 2^67
2012-01-15HBendtzNF
no factor from 2^64 to 2^65
2010-08-02Architects CubedNF
no factor from 2^63 to 2^64