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

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MnStatusDetails
233685623Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1662287855135927492092167.22016-09-29 00:04:59
History
DateUserTypeResult
2016-09-29demfloroF
Factor: 166228785513592749209 / TF: 67-68
2015-11-20subgeniusNF
no factor from 2^66 to 2^67
2013-10-01arnaudNF
no factor from 2^65 to 2^66
2011-06-27OS1NF
no factor from 2^64 to 2^65
2010-05-19Architects CubedNF
no factor from 2^63 to 2^64
2010-03-11monstNF
no factor from 2^62 to 2^63