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
905219449Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4068105414775933267432168.52017-04-11 18:09:50
History
DateUserTypeResult
2025-04-25yuriy5-1NF
no factor from 2^69 to 2^74
2017-04-11ConductorF
Factor: 406810541477593326743 / TF: 68-69
2016-06-19ConductorNF
no factor from 2^67 to 2^68
2014-01-31abcNF
no factor to 2^67
2013-04-25ramgeisNF
no factor from 2^65 to 2^66
2011-11-06lindeeNF
no factor from 2^64 to 2^65
2010-07-08lindedNF
no factor from 2^63 to 2^64