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
905105183Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3811467747327537504312168.42017-04-09 16:17:51
History
DateUserTypeResult
2025-04-25yuriy5-1NF
no factor from 2^69 to 2^74
2017-04-09ConductorF
Factor: 381146774732753750431 / TF: 68-69
2016-06-19ConductorNF
no factor from 2^67 to 2^68
2015-02-05Gordon SpenceNF
no factor from 2^66 to 2^67
2013-04-25ramgeisNF
no factor from 2^65 to 2^66
2011-10-07BJBNF
no factor from 2^64 to 2^65