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

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MnStatusDetails
539003131Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4256015623722663902392168.52017-08-03 23:27:23
History
DateUserTypeResult
2025-03-07James HeinrichF
Factor: 425601562372266390239 / TF: 68-70
2017-08-03Alex_soldierF
Factor: 425601562372266390239 / TF: 68-69*
2016-11-04sasakiNF
no factor from 2^67 to 2^68
2016-02-07ConductorNF
no factor from 2^66 to 2^67
2014-11-05sasakiNF
no factor from 2^65 to 2^66
2011-08-21Architects CubedNF
no factor from 2^64 to 2^65
2010-03-17Architects CubedNF
no factor from 2^63 to 2^64