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Old 2021-09-21, 03:16   #7
VBCurtis
 
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"Curtis"
Feb 2005
Riverside, CA

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Is your interest Mersennes only, primes of some other forms, or factoring too? Those are the three main categories this forum's users work on.

If you're searching for primes, the best bang-for-buck isn't a massive $5k machine; it's a gaming-class machine with fast memory, and if a GPU can be found at reasonable price then the GPU can do perhaps more work than all the cores of the CPU (depending on how nice a GPU one can locate, of course). GPU software is best cut out for Mersenne work, while the CPU can search for Mersennes too, or other primes of smaller size, or yet other projects around here.
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