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
153793247Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
49815258044420305104972272.12017-06-16 07:21:29
History
DateUserTypeResult
2017-06-16d3zorgF
Factor: 4981525804442030510497 / TF: 72-73
2017-06-14Nguyen Huy AnhNF
no factor from 2^71 to 2^72
2017-06-14Nguyen Huy AnhNF
no factor from 2^70 to 2^71
2017-06-13La GüiraNF
no factor from 2^69 to 2^70
2017-03-02XolotlNF
no factor from 2^68 to 2^69
2016-04-27James HintzNF
no factor from 2^67 to 2^68
2015-04-04Jason UNF
no factor from 2^66 to 2^67
2013-01-28Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-01-20runeskNF
no factor from 2^64 to 2^65
2010-06-25subgeniusNF
no factor from 2^63 to 2^64