Checking whether no is prime or not : C program

/* Checking whether no is prime or not */

#include<stdio.h>
#include<conio.h>

void main()
{
 int no,i,flag=0;
 clrscr();
 printf("Enter number : ");
 scanf("%d",&no);
 if(no==1)
  printf("\n 1 is not considered as prime bcoz of the defintn of prime no");
 else
 {
 for(i=2;i<no;i++)
 {
  if(no%i==0)
  {
   printf("%d,",i);
   flag=1;
  }
 }
 if(flag==0)
  printf("\n\n %d is Prime number",no);
 else
 {
  printf(" are the divisers of %d",no);
  printf("\n\n %d is Not a prime number",no);
 }
 }
 getch();
}

Output :