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

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MnStatusDetails
448005409Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4621383528809011312872168.62017-05-10 21:42:23
History
DateUserTypeResult
2025-03-07James HeinrichF
Factor: 462138352880901131287 / TF: 68-70
2017-05-10Alex_soldierF
Factor: 462138352880901131287 / TF: 68-69*
2016-01-23sasakiNF
no factor from 2^66 to 2^68
2014-09-03firereddNF
no factor from 2^65 to 2^66
2011-11-26RichardNF
no factor from 2^64 to 2^65
2010-03-23Architects CubedNF
no factor from 2^63 to 2^64