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
220746223Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6426141333469224181272169.12015-10-27 16:55:45
History
DateUserTypeResult
2015-10-27demfloroF
Factor: 642614133346922418127 / TF: 69-70
2015-10-27demfloroNF
no factor from 2^68 to 2^69
2015-10-27demfloroNF
no factor from 2^66 to 2^68
2013-08-28RichardNF
no factor from 2^65 to 2^66
2011-06-05lindedNF
no factor from 2^64 to 2^65