Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
698622853Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
4873789530423551615832168.72017-06-22 18:39:32
5171056007170026213532168.82017-06-22 18:39:32
History
DateUserTypeResult
2017-06-22ConductorF
Factor: 517105600717002621353 / TF: 68-69
2017-06-22ConductorF
Factor: 487378953042355161583 / 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
2010-07-18Architects CubedNF
no factor from 2^63 to 2^64