Largest known prime number - 17M digits long - discovered - 0 views
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Luke Miranda on 22 Feb 13Computerworld - A mathematician at the University of Central Missouri has discovered what is now the largest known prime number -- one with more than 17 million digits. Dr. Curtis Cooper, who has made two other prime number discoveries, has found the 48th known Mersenne prime -- 2 57,885,161 minus 1.