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
970605551Factored
FactorDigitsBitsDate
4223501906740981393032168.52016-09-17 03:00:18
History
DateUserTypeResult
2016-09-17Sergey KomolovF
Factor: 422350190674098139303 / TF: 68-69
2016-05-08monstNF
no factor from 2^67 to 2^68
2015-02-07Gordon SpenceNF
no factor from 2^66 to 2^67
2012-07-15lindedNF
no factor from 2^65 to 2^66
2011-01-08lindedNF
no factor from 2^64 to 2^65
2010-03-26lindedNF
no factor from 2^63 to 2^64