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
627904861Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
8571320657821324746172169.52016-10-10 18:58:39
History
DateUserTypeResult
2016-10-10NipalF
Factor: 857132065782132474617 / TF: 67-70
2014-05-08sasakiNF
no factor from 2^65 to 2^67