Tagged Questions
13
votes
2answers
288 views
Why does iterating Prime in reverse order require much more time?
Say I would like to display the $10$ greatest primes that are less than $10^5$. I could do the following:
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7
votes
1answer
149 views
Testing for primality in quadratic rings?
Testing for primality in $\mathbb{Z}[\sqrt{-1}]$ in Mathematica is easy:
PrimeQ[n, GaussianIntegers -> True]
But how can I test for primality in, say, ...