/* C Program to verify given no. is prime or not */
#include<stdio.h>
int main()
{
int n,f=0,i=1;
printf("Enter a no:");
scanf("%d",&n); while(n>=i)
{
if(n%i==0)
f=f+1;
i++;
}
if(f==2) printf("Prime");
else
printf("Not Prime");
return 0;
}
INPUT/OUTPUT:
Enter a no:7
