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
207238403Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
946269343928975833992066.42015-10-19 18:31:15
History
DateUserTypeResult
2015-10-19ConductorF
Factor: 94626934392897583399 / TF: 66-67
2013-08-03subgeniusNF
no factor from 2^65 to 2^66
2011-06-03RichardNF
no factor from 2^64 to 2^65