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
916050427Factored
FactorDigitsBitsDate
7727282800174332250072169.42017-12-28 13:08:50
History
DateUserTypeResult
2017-12-28ConductorF
Factor: 772728280017433225007 / TF: 69-70
2017-03-13sasakiNF
no factor from 2^68 to 2^69
2016-05-17Alex_soldierNF
no factor from 2^67 to 2^68
2015-11-09Alex_soldierNF
no factor from 2^66 to 2^67
2013-05-29ramgeisNF
no factor from 2^65 to 2^66
2010-11-12oerwinNF
no factor from 2^64 to 2^65
2010-07-18HBendtzNF
no factor from 2^63 to 2^64