C program for prime factors

#include<stdio.h>
#include<conio.h>
void main()
{
int i,j,k,no,flag=0;
printf("Program for prime factors.");
printf("\nEnter your number:- ");
scanf("%d",&no);
k=no;
for(i=0;i<no;i++)
{
for(j=2;j<no;j++)
{
if(k%j==0)
{
printf("%d ",j);
k=k/j;
flag=1;
break;
}
}
}
if(flag!=1)
printf("%d",k);
printf("\n");
getch();
}