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
647826917Factored
FactorDigitsBitsDate
1876604273168243781772167.32016-09-10 05:57:32
History
DateUserTypeResult
2016-09-10NipalF
Factor: 187660427316824378177 / TF: 67-70
2014-06-15sasakiNF
no factor from 2^66 to 2^67
2014-03-19america64NF
no factor from 2^65 to 2^66