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
627649433Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2704218889637972496412167.92016-10-16 17:59:58
History
DateUserTypeResult
2016-10-16NipalF
Factor: 270421888963797249641 / TF: 67-70
2014-04-15sasakiNF
no factor from 2^65 to 2^67