write a program in c to print the numbers is prime or not.

#include<stdio.h>
#include<conio.h>
main()
{
  int i,num;
  clrscr();
printf("\n enter the number num");
scanf("\n %d",&num);
  i=2;
  while(i<=num-1)
{
   if(num%2==0)
{
   printf("\n num is not prime");
  break;
}
  i++;
}
  if(i==num)
{
  printf("\n num is prime");
}
  return (0);
}


output:-
*enter the num-23

num is prime.
*enter the num-118
num is not prime.