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

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MnStatusDetails
320128049Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2243033206844321835532167.62016-12-20 11:48:41
History
DateUserTypeResult
2016-12-20SarnetskyF
Factor: 224303320684432183553 / TF: 67-68*
2016-02-27rmaximusNF
no factor from 2^66 to 2^67
2014-01-28subgeniusNF
no factor from 2^65 to 2^66
2011-11-05RichardNF
no factor from 2^64 to 2^65