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Old 2020-12-16, 12:29   #13
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Jun 2003

4,903 Posts

Originally Posted by ZFR View Post
One last question: when Prime95 does the P-1 algorithm, that time-consuming part of it would be the exponentiation of 3 (and modulo n)? The gcd itself is pretty fast comparatively, right?
Yes and yes. Well, there is also the stage 2.
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