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
152955241Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
74302028397540744701212272.72017-05-13 05:22:45
History
DateUserTypeResult
2017-05-13d3zorgF
Factor: 7430202839754074470121 / TF: 72-73
2017-05-11d3zorgNF
no factor from 2^71 to 2^72
2017-05-09arnaudNF
no factor from 2^70 to 2^71
2017-04-21BigHeadScientistNF
no factor from 2^69 to 2^70
2017-02-27ANONYMOUSNF
no factor from 2^68 to 2^69
2016-04-26tscNF
no factor from 2^67 to 2^68
2015-04-02taffaNF
no factor from 2^66 to 2^67
2013-01-28RichardNF
no factor from 2^65 to 2^66
2011-01-18runeskNF
no factor from 2^64 to 2^65
2010-07-251997rj7NF
no factor from 2^63 to 2^64