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
204386449Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6529275621961320690472169.12015-10-05 18:55:16
History
DateUserTypeResult
2015-10-05demfloroF
Factor: 652927562196132069047 / TF: 69-70
2015-10-05demfloroNF
no factor from 2^68 to 2^69
2015-10-05demfloroNF
no factor from 2^66 to 2^68
2013-07-28RichardNF
no factor from 2^65 to 2^66
2011-05-06Charles A. MorrisNF
no factor from 2^64 to 2^65