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
152654591Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
40472873877897385500492271.82017-05-01 21:06:23
History
DateUserTypeResult
2017-05-01Sergey NosovF
Factor: 4047287387789738550049 / TF: 71-72*
2017-04-20HighPriceRanchNF
no factor from 2^70 to 2^71
2017-04-11La GüiraNF
no factor from 2^69 to 2^70
2017-02-25rubikvn2100NF
no factor from 2^68 to 2^69
2016-04-23pjwrightNF
no factor from 2^67 to 2^68
2015-03-31bamNF
no factor from 2^66 to 2^67
2013-01-24prgamma10NF
no factor from 2^65 to 2^66
2011-01-17lindeeNF
no factor from 2^64 to 2^65
2010-07-061997rj7NF
no factor from 2^63 to 2^64