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
619539733Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5665356915564140056492168.92016-09-27 02:53:13
History
DateUserTypeResult
2016-09-27NipalF
Factor: 566535691556414005649 / TF: 67-70
2014-03-15sasakiNF
no factor from 2^65 to 2^67