A way to determine if a number is prime
- 2020-04-01 21:32:47
- OfStack
Give a number and decide if it is prime:
#include <cmath>
bool isPrime(int n) {
int i;
for (i = 2; i <= sqrt(n); i++) {
if (n % i == 0)
return false;
}
return true;
}