Prime95 (GIMPS)

Prime95 (GIMPS) 27.9

Free
Find Mersenne Prime numbers.
 
27.9 (See all)

This program is used to find Mersenne Prime numbers. See http://www.utm.edu/research/primes/mersenne.shtml for a good description of Mersenne primes. Mersenne numbers can be proved composite (not prime) by either finding a factor or by running a Lucas-Lehmer primality test.

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