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
610858921Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5477707842916493542072168.92016-11-21 07:23:27
History
DateUserTypeResult
2016-11-21NipalF
Factor: 547770784291649354207 / TF: 67-70
2014-02-01sasakiNF
no factor from 2^65 to 2^67