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

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MnStatusDetails
207019301Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2417888592013728725832167.72015-10-02 12:03:22
History
DateUserTypeResult
2015-10-02ConductorF
Factor: 241788859201372872583 / TF: 67-68
2015-09-26rob147147NF
no factor from 2^66 to 2^67
2013-08-03David CampeauNF
no factor from 2^65 to 2^66
2011-05-11OS1NF
no factor from 2^64 to 2^65