| Georgi Guninski on Sun, 12 May 2024 11:45:32 +0200 |
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| Re: p=randomprime(2^2000) is significantly slower than isprime(p) |
Oooops, I made a critical language error, sorry. isprime(p) is slower than randomprime(p): ? default(timer,1) ? setrand(1) ? p=randomprime(2^2000) time = 747 ms. ? isprime(p) time = 14,758 ms. %4 = 1 ? ispseudoprime(p) time = 40 ms. %5 = 1 On Sun, May 12, 2024 at 12:38 PM Georgi Guninski <gguninski@gmail.com> wrote: > > I find it counter-intuitive p=randomprime(2^2000) to be > significantly slower than isprime(p) > > > Session > --- > default(timer,1) > setrand(1) > p=randomprime(2^2000) > isprime(p) > ispseudoprime(p) > ---