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

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MnStatusDetails
228715111Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4943921892253813081432168.72018-04-06 00:01:02
History
DateUserTypeResult
2025-03-13James HeinrichF
Factor: 494392189225381308143 / TF: 68-70
2018-04-06NickF
Factor: 494392189225381308143 / TF: 68-69
2016-09-17BrionHNF
no factor from 2^67 to 2^68
2015-10-04NumberwangNF
no factor from 2^66 to 2^67
2013-09-17HBendtzNF
no factor from 2^65 to 2^66
2011-06-19Lukin DmitryNF
no factor from 2^64 to 2^65