Java Program to Find minimum sum of factors of number

// Java program to find minimum
// sum of product of number

public class Main {

    // To find minimum sum of
    // product of number
    static int findMinSum(int num)
    {
        int sum = 0;

        // Find factors of number
        // and add to the sum
        for (int i = 2; i * i <= num; i++) {
            while (num % i == 0) {
                sum += i;
                num /= i;
            }
        }
        sum += num;

        // Return sum of numbers
        // having minimum product
        return sum;
    }

    // Driver program to test above function
    public static void main(String[] args)
    {
        int num = 12;
        System.out.println(findMinSum(num));
    }
}