problem 24

#include <stdio.h>

int main()
{
  int n, count = 0;
  printf("Enter a value of n: ");
  scanf("%d", &n);
  for (int i = 1; i <= n; i++)
  {
    if (n % i == 0)
    {
      count++;
    }
  }
  if (count == 2)
  {
    printf("Prime number");
  }
  else
  {
    printf("Not a prime number");
  }

  return 0;
}

Enter a value for n: