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
515009197Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
7665899517955629687672169.42017-07-04 11:11:27
History
DateUserTypeResult
2025-03-11James HeinrichF
Factor: 766589951795562968767 / TF: 69-70
2017-07-04Alex_soldierF
Factor: 766589951795562968767 / TF: 69-70*
2017-05-24sasakiNF
no factor from 2^68 to 2^69
2016-07-09sasakiNF
no factor from 2^67 to 2^68
2015-03-04sasakiNF
no factor from 2^66 to 2^67
2014-10-01sasakiNF
no factor from 2^65 to 2^66
2011-12-28Mr-PlonkNF
no factor from 2^64 to 2^65
2010-07-04Architects CubedNF
no factor from 2^63 to 2^64