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
680245459Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5617293915787936929592168.92017-11-11 19:58:33
History
DateUserTypeResult
2017-11-11NipalF
Factor: 561729391578793692959 / TF: 68-70
2016-10-16sasakiNF
no factor from 2^67 to 2^68
2014-07-27sasakiNF
no factor from 2^66 to 2^67
2014-01-16sasakiNF
no factor from 2^65 to 2^66
2012-01-29Andrew BNF
no factor from 2^64 to 2^65
2010-06-30Architects CubedNF
no factor from 2^63 to 2^64