a c program for prime factor

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

main(){
       int num;
      
       printf("Enter a number:\t");
       scanf("%d",&num);
      
       for(int i=2;i<=num;i++){
               if(num%i!=0){continue;}
              
               printf("%d ",i);
              
              
               num=num/i;
               i=i-1;
               }
              
              
      
      
                                                                                      
                                         
                
      getch();
      }