Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
619298971Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2212238254265087205592167.62016-10-02 09:09:11
History
DateUserTypeResult
2016-10-02NipalF
Factor: 221223825426508720559 / TF: 67-70
2014-03-11sasakiNF
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