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
610740217Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3980110372554598685512168.42016-11-18 09:03:28
History
DateUserTypeResult
2016-11-18NipalF
Factor: 398011037255459868551 / TF: 67-70
2014-01-29sasakiNF
no factor from 2^65 to 2^67