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
208559017Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
762329194314824893212066.02015-10-16 05:55:15
History
DateUserTypeResult
2015-10-16demfloroF
Factor: 76232919431482489321 / TF: 66-68
2013-08-06sasaki3NF
no factor from 2^65 to 2^66
2011-07-12Adam StinchcombeNF
no factor from 2^64 to 2^65