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
619633849Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4446727132055425237272168.62016-09-30 22:55:45
History
DateUserTypeResult
2016-09-30NipalF
Factor: 444672713205542523727 / TF: 67-70
2014-03-16sasakiNF
no factor from 2^65 to 2^67