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

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MnStatusDetails
681846169Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4917076051529395324392168.72018-06-05 12:18:07
History
DateUserTypeResult
2018-06-05ConductorF
Factor: 491707605152939532439 / TF: 68-69
2016-10-23sasakiNF
no factor from 2^67 to 2^68
2014-08-01sasakiNF
no factor from 2^66 to 2^67
2014-01-21sasakiNF
no factor from 2^65 to 2^66
2012-01-30Damian SilvestreNF
no factor from 2^64 to 2^65
2010-07-04Architects CubedNF
no factor from 2^63 to 2^64