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
905068069Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
4079332203602387900332168.52017-04-08 12:49:17
77218990374761880260392272.72025-04-24 16:28:45
History
DateUserTypeResult
2025-04-24yuriy5-1F
Factor: 7721899037476188026039 / TF: 69-74
2017-04-08ConductorF
Factor: 407933220360238790033 / 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
2011-11-07lindeeNF
no factor from 2^64 to 2^65