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
195208207Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
24852561290510578653292271.12016-12-22 00:43:38
History
DateUserTypeResult
2016-12-22Sergey NosovF
Factor: 2485256129051057865329 / TF: 68-72*
2016-08-12rubikvn2100NF
no factor from 2^67 to 2^68
2015-09-11rmaximusNF
no factor from 2^66 to 2^67
2013-06-23sasaki3NF
no factor from 2^65 to 2^66
2011-04-20sasaki3NF
no factor from 2^64 to 2^65
2010-08-06wmjmoellerNF
no factor from 2^63 to 2^64