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

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MnStatusDetails
717019223Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
20558060409647558560872270.82019-03-26 18:58:26
History
DateUserTypeResult
2019-03-26Alex_soldierF
Factor: 2055806040964755856087 / TF: 70-71
2014-06-19monstNF
no factor from 2^66 to 2^70
2011-11-23monstNF
no factor from 2^65 to 2^66
2011-01-21monstNF
no factor from 2^64 to 2^65
2010-07-22Architects CubedNF
no factor from 2^63 to 2^64