Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
249671137Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1714031129627319586872167.22016-10-22 13:07:05
History
DateUserTypeResult
2016-10-22Mikhail E. GolosovF
Factor: 171403112962731958687 / TF: 67-68
2015-12-15tscNF
no factor from 2^66 to 2^67
2013-11-02Lukin DmitryNF
no factor from 2^65 to 2^66
2011-07-24ALSNF
no factor from 2^64 to 2^65