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
207236941Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1135787767485401662572166.62015-10-19 13:35:29
History
DateUserTypeResult
2015-10-19ConductorF
Factor: 113578776748540166257 / TF: 66-67
2013-08-03sasaki3NF
no factor from 2^65 to 2^66
2011-05-10sannerud.comNF
no factor from 2^64 to 2^65