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
249756889Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1777534174420645977532167.32016-10-22 19:40:30
History
DateUserTypeResult
2016-10-22Mikhail E. GolosovF
Factor: 177753417442064597753 / TF: 67-68
2015-12-15mikeblasNF
no factor from 2^66 to 2^67
2013-11-02subgeniusNF
no factor from 2^65 to 2^66
2011-07-25tscNF
no factor from 2^64 to 2^65