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
249173021Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6433681757672872135912169.12018-06-05 15:58:44
History
DateUserTypeResult
2018-07-27Dominik RadlerNF
no factor from 2^68 to 2^69
2018-06-05YxinityF
Factor: 643368175767287213591 / TF: 69-70
2018-06-05YxinityNF
no factor from 2^68 to 2^69
2016-10-21rubikvn2100NF
no factor from 2^67 to 2^68
2015-12-14Robert FolzNF
no factor from 2^66 to 2^67
2013-11-05GrunwalderGIMPNF
no factor from 2^65 to 2^66
2011-07-25RichardNF
no factor from 2^64 to 2^65