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
619401071Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3223377509744772680572168.12016-09-24 17:02:22
History
DateUserTypeResult
2016-09-24NipalF
Factor: 322337750974477268057 / TF: 67-70
2014-03-10sasakiNF
no factor from 2^65 to 2^67