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
235917193Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1649560950920982063532167.22016-10-03 19:27:39
History
DateUserTypeResult
2016-10-03Mikhail E. GolosovF
Factor: 164956095092098206353 / TF: 67-68
2015-11-24subgeniusNF
no factor from 2^66 to 2^67
2013-10-08gucsNF
no factor from 2^65 to 2^66
2011-07-01Lukin DmitryNF
no factor from 2^64 to 2^65