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
975472843Factored
FactorDigitsBitsDate
1667462652915465673432167.22015-12-30 16:05:14
History
DateUserTypeResult
2015-12-30ConductorF
Factor: 166746265291546567343 / TF: 67-68
2015-02-20Gordon SpenceNF
no factor from 2^66 to 2^67
2012-05-18lindedNF
no factor from 2^65 to 2^66
2010-12-05Ethan O'ConnorNF
no factor from 2^64 to 2^65
2010-06-03lindedNF
no factor from 2^63 to 2^64