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
698566403Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3875153728445766568872168.42017-06-22 15:19:14
History
DateUserTypeResult
2017-06-22ConductorF
Factor: 387515372844576656887 / TF: 68-69
2014-11-15laleraNF
no factor from 2^66 to 2^68
2013-10-07sasakiNF
no factor from 2^65 to 2^66
2012-01-23laleraNF
no factor from 2^64 to 2^65
2010-06-23Architects CubedNF
no factor from 2^63 to 2^64