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
317546783Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2570757666283546331772167.82016-03-22 16:47:01
History
DateUserTypeResult
2016-03-22SarnetskyF
Factor: 257075766628354633177 / TF: 67-69*
2016-02-22SarnetskyNF
no factor from 2^66 to 2^67
2014-01-27RichardNF
no factor from 2^65 to 2^66
2011-11-02RichardNF
no factor from 2^64 to 2^65