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Old 2011-09-11, 21:32   #3
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Apr 2003
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Originally Posted by Unregistered View Post
Is it possible for GIMPS to check a factorial prime (n!+/-1) or can it only test Mersenne primes?
PrimeGrid already has a search for them using PFGW and PRPNet. Note that PFGW is built on gwnum, the same FFT library behind Prime95.
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