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
174038569Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
19438554922352692372792270.72018-03-23 13:26:45
History
DateUserTypeResult
2018-03-23yponomarevF
Factor: 1943855492235269237279 / TF: 70-71
2018-03-17William F. Garnett IIINF
no factor from 2^69 to 2^70
2017-05-09Andrew BNF
no factor from 2^68 to 2^69
2016-06-06america64NF
no factor from 2^67 to 2^68
2015-06-27vwflat4NF
no factor from 2^66 to 2^67
2013-04-11abcNF
no factor from 2^65 to 2^66
2011-03-06RichardNF
no factor from 2^64 to 2^65
2010-07-14Torchwood InstituteNF
no factor from 2^63 to 2^64