GTU OOP Program - 8

8). Write a program that reads an integer and displays all its smallest factors in increasing order. For example, if input number is 120, the output should be as follows:2,2,2,3,5. 

import java.util.Scanner;

class Program_08 {
    public static void main(String[] args) {

        Scanner input = new Scanner(System.in);

        System.out.print("Enter an integer: ");
        int num = input.nextInt();
        int index = 2; // Num to test as factors

        // finding all the smallest factors
        while (num / index != 1) {
            // Test as a factor of num
            if (num % index == 0) {
                System.out.print(index + ", ");
                num /= index;
            } else {
                index++;
            }

        }
        System.out.println(num + ".");
    }
}
Output
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