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
226942559Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1637907414319371208872167.22016-09-16 22:13:32
History
DateUserTypeResult
2016-09-16demfloroF
Factor: 163790741431937120887 / TF: 67-68
2015-11-08sasakiNF
no factor from 2^66 to 2^67
2013-09-15RichardNF
no factor from 2^65 to 2^66
2011-06-16Mr-PlonkNF
no factor from 2^64 to 2^65