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
681748477Factored
FactorDigitsBitsDate
5171166234976010478712168.82018-06-04 19:33:21
History
DateUserTypeResult
2018-06-04ConductorF
Factor: 517116623497601047871 / TF: 68-69
2016-10-18sasakiNF
no factor from 2^67 to 2^68
2014-08-01sasakiNF
no factor from 2^66 to 2^67
2014-01-20sasakiNF
no factor from 2^65 to 2^66