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

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MnStatusDetails
233560447Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2080889202444866419992167.52016-09-28 20:26:08
History
DateUserTypeResult
2016-09-28Mikhail E. GolosovF
Factor: 208088920244486641999 / TF: 67-68
2015-11-19ANONYMOUSNF
no factor from 2^66 to 2^67
2013-10-01Mr-PlonkNF
no factor from 2^65 to 2^66
2011-06-27Mr-PlonkNF
no factor from 2^64 to 2^65
2010-05-22Architects CubedNF
no factor from 2^63 to 2^64
2010-03-09carlos56NF
no factor from 2^62 to 2^63
2010-03-07carlos56NF
no factor from 2^62 to 2^63