CSCI151 L16 P3

#include <stdio.h>

_Bool isPrime(int n){
    int i;
    _Bool f=1;
    for (i=2; i<=sqrt(n); i++){
        if (n%i==0) {
            f=0;
            break;
        }
    }
    return f;
}

int main(){
    int n;
    scanf("%i", &n);
    if (isPrime(n)) printf("This number is prime");
    else printf("This number is not prime");
    return 0;
}