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
619443037Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3852084801677314555372168.42016-09-25 19:25:17
History
DateUserTypeResult
2016-09-25NipalF
Factor: 385208480167731455537 / TF: 67-70
2014-03-11sasakiNF
no factor from 2^65 to 2^67