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
489136283Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
31454891205740567657772271.42020-01-07 13:08:10
History
DateUserTypeResult
2025-04-16James HeinrichF
Factor: 3145489120574056765777 / TF: 71-72
2020-01-07Smok_bmv F
Factor: 3145489120574056765777 / TF: 71-72*
2020-01-07Smok_bmv NF
no factor from 2^70 to 2^71
2018-05-29YxinityNF
no factor from 2^68 to 2^70
2016-07-06sasakiNF
no factor from 2^67 to 2^68
2016-03-30sasakiNF
no factor from 2^66 to 2^67
2014-10-24RichardNF
no factor from 2^65 to 2^66
2011-12-17LingUaanNF
no factor from 2^64 to 2^65
2010-04-02Architects CubedNF
no factor from 2^63 to 2^64