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

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MnStatusDetails
619259161Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4172150498553318930712168.52016-09-29 14:54:29
History
DateUserTypeResult
2016-09-29NipalF
Factor: 417215049855331893071 / 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