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

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MnStatusDetails
217003909Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5541816265217550050172168.92016-12-06 00:23:10
History
DateUserTypeResult
2025-03-14James HeinrichF
Factor: 554181626521755005017 / TF: 68-70
2016-12-06Alex_soldierF
Factor: 554181626521755005017 / TF: 68-69*
2016-09-08XolotlNF
no factor from 2^67 to 2^68
2015-10-27NoPolarBearsHereNF
no factor from 2^66 to 2^67
2012-06-29riccardo ubertiNF
no factor from 2^65 to 2^66
2011-05-29tscNF
no factor from 2^64 to 2^65