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
901487999Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5219865635372798386332168.82016-10-13 19:58:45
History
DateUserTypeResult
2025-04-23yuriy5-1NF
no factor from 2^69 to 2^74
2016-10-13ConductorF
Factor: 521986563537279838633 / TF: 68-69
2016-05-02monstNF
no factor from 2^67 to 2^68
2015-01-28Gordon SpenceNF
no factor from 2^66 to 2^67
2012-05-16c10ck3rNF
no factor from 2^65 to 2^66
2011-06-23lindeeNF
no factor from 2^64 to 2^65
2010-06-24lindedNF
no factor from 2^63 to 2^64