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
208527961Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
10421597326834740747432269.82015-10-09 20:55:19
History
DateUserTypeResult
2015-10-09demfloroF
Factor: 1042159732683474074743 / TF: 69-70
2015-10-09demfloroNF
no factor from 2^68 to 2^69
2015-10-09demfloroNF
no factor from 2^66 to 2^68
2013-08-06Gordon SpenceNF
no factor from 2^65 to 2^66
2011-05-12Lukin DmitryNF
no factor from 2^64 to 2^65