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
581000773Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1941036943606670039032167.42016-11-26 13:06:31
History
DateUserTypeResult
2016-11-26ConductorF
Factor: 194103694360667003903 / TF: 67-68
2015-10-09sasakiNF
no factor from 2^66 to 2^67
2014-09-08NRNF
no factor from 2^65 to 2^66
2012-01-08LingUaanNF
no factor from 2^64 to 2^65
2010-03-05Architects CubedNF
no factor from 2^63 to 2^64