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

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MnStatusDetails
228429611Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4132731079459393214392168.52016-12-05 12:15:28
History
DateUserTypeResult
2025-03-13James HeinrichF
Factor: 413273107945939321439 / TF: 68-70
2016-12-05Alex_soldierF
Factor: 413273107945939321439 / TF: 68-69*
2016-11-16rubikvn2100NF
no factor from 2^67 to 2^68
2015-11-21SummyNF
no factor from 2^66 to 2^67
2013-09-25RichardNF
no factor from 2^65 to 2^66
2011-06-19Charles A. MorrisNF
no factor from 2^64 to 2^65