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
260005283Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
16498546230548980179432270.52019-10-27 08:37:03
History
DateUserTypeResult
2025-04-14James HeinrichF
Factor: 1649854623054898017943 / TF: 70-71
2019-10-27Smok_bmv F
Factor: 1649854623054898017943 / TF: 70-71*
2019-05-10Alvin BunkNF
no factor from 2^69 to 2^70
2018-06-19Niels_Mache_NextcloudNF
no factor from 2^68 to 2^69
2016-07-11XZTNF
no factor from 2^67 to 2^68
2015-12-21Carlos AguiloNF
no factor from 2^66 to 2^67
2014-05-23Andrew BNF
no factor from 2^65 to 2^66
2011-08-10Andrew BNF
no factor from 2^64 to 2^65
2010-03-13carlos56NF
no factor from 2^63 to 2^64
2010-03-13carlos56NF
no factor from 2^62 to 2^63