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
245907859Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2256734337479030158872167.62016-10-17 12:36:16
History
DateUserTypeResult
2016-10-17Alex_soldierF
Factor: 225673433747903015887 / TF: 67-68
2015-12-11tscNF
no factor from 2^66 to 2^67
2013-11-05RichardNF
no factor from 2^65 to 2^66
2011-07-19OS1NF
no factor from 2^64 to 2^65