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

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MnStatusDetails
916661651Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1221833961170620618072166.72015-11-26 17:56:03
History
DateUserTypeResult
2015-11-26Alex_soldierF
Factor: 122183396117062061807 / TF: 66-67
2013-05-29ramgeisNF
no factor from 2^65 to 2^66
2011-09-29lindedNF
no factor from 2^64 to 2^65
2010-07-26HBendtzNF
no factor from 2^63 to 2^64