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
208560031Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4665762318181169211432168.72015-10-16 14:55:15
History
DateUserTypeResult
2015-10-16demfloroF
Factor: 466576231818116921143 / TF: 68-69
2015-10-16demfloroNF
no factor from 2^66 to 2^68
2013-08-06tscNF
no factor from 2^65 to 2^66
2011-07-12PiepenNF
no factor from 2^64 to 2^65