Prime factors of a number in java

Java code to get the prime factors of give number


import java.io.*;



class Test {

     public static void main(String[] args) throws IOException {

          int num,i=1,j,k;

          System.out.println("Enter the range:");

          BufferedReader br=new BufferedReader(new InputStreamReader (System.in));

          num=Integer.parseInt(br.readLine());



          while(i<=num){