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1. Check if n < 2. If it is, then n is not prime. 2. Check if n is even and greater than 2. If it is, then n is not prime. 3. Iterate over odd numbers from 3 to the square root of n. – Divide n by ...

If the number p that we want to check is not in the domain, the result of the integral is zero and the number is a prime. If instead, the result is an integer, this integer will tell us how many ...