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
197451461Factored
FactorDigitsBitsDate
909980288204276381992066.32015-09-17 23:55:17
History
DateUserTypeResult
2015-09-17demfloroF
Factor: 90998028820427638199 / TF: 66-68
2013-07-01Lukin DmitryNF
no factor from 2^65 to 2^66
2011-04-25EPFNF
no factor from 2^64 to 2^65
2010-08-08Torchwood InstituteNF
no factor from 2^63 to 2^64