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
801661409Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
16913216954171909192392270.52020-02-02 20:23:12
History
DateUserTypeResult
2020-02-02ConductorF
Factor: 1691321695417190919239 / TF: 70-71
2012-07-04James HeinrichNF
no factor from 2^69 to 2^70
2012-01-16James HeinrichNF
no factor from 2^67 to 2^69
2011-08-29James HeinrichNF
no factor from 2^64 to 2^67