Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
406000423Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4705417678935169405272168.72016-12-10 15:27:08
History
DateUserTypeResult
2016-12-10ConductorF
Factor: 470541767893516940527 / TF: 68-69
2014-03-23The MawnNF
no factor from 2^65 to 2^68