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
207083381Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
964311497475383806012066.42015-10-05 07:02:39
History
DateUserTypeResult
2015-10-05ConductorF
Factor: 96431149747538380601 / TF: 66-67
2013-08-03David CampeauNF
no factor from 2^65 to 2^66
2011-05-10carlos56NF
no factor from 2^64 to 2^65