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

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MnStatusDetails
207026107Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1663308590701810980712167.22015-10-02 17:57:56
History
DateUserTypeResult
2015-10-02ConductorF
Factor: 166330859070181098071 / 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
2011-05-10ZIM30NF
no factor from 2^64 to 2^65