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
208562279Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
8271479152252426109772169.52015-10-17 12:55:23
History
DateUserTypeResult
2015-10-17demfloroF
Factor: 827147915225242610977 / TF: 69-70
2015-10-17demfloroNF
no factor from 2^68 to 2^69
2015-10-17demfloroNF
no factor from 2^66 to 2^68
2013-08-06Mr-PlonkNF
no factor from 2^65 to 2^66
2011-05-13Jud McCranieNF
no factor from 2^64 to 2^65