Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
514015127Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
8748376448604255018972169.62017-07-17 00:46:47
History
DateUserTypeResult
2025-03-11James HeinrichF
Factor: 874837644860425501897 / TF: 69-70
2017-07-17Alex_soldierF
Factor: 874837644860425501897 / TF: 69-70*
2017-05-18sasakiNF
no factor from 2^68 to 2^69
2016-07-01sasakiNF
no factor from 2^67 to 2^68
2015-02-25sasakiNF
no factor from 2^66 to 2^67
2014-09-29sasakiNF
no factor from 2^65 to 2^66
2011-12-27krackerNF
no factor from 2^64 to 2^65
2010-03-16Architects CubedNF
no factor from 2^63 to 2^64