Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
318213131Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5238242034349948178892168.82016-12-12 20:30:31
History
DateUserTypeResult
2025-03-08James HeinrichF
Factor: 523824203434994817889 / TF: 68-70
2016-12-12SarnetskyF
Factor: 523824203434994817889 / TF: 68-69*
2016-04-11SarnetskyNF
no factor from 2^67 to 2^68
2016-02-25tscNF
no factor from 2^66 to 2^67
2014-07-27Chih-Wei HuangNF
no factor from 2^65 to 2^66
2011-11-02bcp19NF
no factor from 2^64 to 2^65