View Code of Problem 91

import java.util.Scanner;
public class Main {
	public static void main(String args[]) {

		Scanner scan = new Scanner(System.in);
		int num=scan.nextInt();
		
    	int n = 2;
    	System.out.print(num+"=");
    	
        while (n <= num) { 
            if (n == num) {  
            	System.out.print(num);  
                break; 
            } else if (num % n == 0) {  
            	System.out.print(n + "*");  
                num = num / n;
                  
            } else {
               n++;
            }
        }	
    }
	
}