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
321055883Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1380164512142429875432166.92015-09-03 17:20:31
History
DateUserTypeResult
2015-09-03Alex_soldierF
Factor: 138016451214242987543 / TF: 66-68*
2014-01-31riccardo ubertiNF
no factor from 2^65 to 2^66
2011-11-06sasaki3NF
no factor from 2^64 to 2^65