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
276135557Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2081936933093382017992167.52016-11-03 05:25:53
History
DateUserTypeResult
2016-11-03Mikhail E. GolosovF
Factor: 208193693309338201799 / TF: 67-68
2016-01-12SFPeteNF
no factor from 2^66 to 2^67
2013-12-08RichardNF
no factor from 2^65 to 2^66
2011-09-07mmNF
no factor from 2^64 to 2^65
2010-04-02Torchwood InstituteNF
no factor from 2^63 to 2^64
2010-04-02Torchwood InstituteNF
no factor from 2^62 to 2^63