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
610668889Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2181400862009580887112167.62016-11-15 22:09:59
History
DateUserTypeResult
2016-11-15NipalF
Factor: 218140086200958088711 / TF: 67-70
2014-01-27sasakiNF
no factor from 2^65 to 2^67