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
610262831Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2155172612841474893212167.52016-11-13 20:15:55
History
DateUserTypeResult
2016-11-13NipalF
Factor: 215517261284147489321 / TF: 67-70
2014-01-21sasakiNF
no factor from 2^65 to 2^67