The problem
Write a program that reads an integer and displays all its smallest factors in increasing order. For example, if the input integer is 120, the output should be as follows: 2, 2, 2, 3, 5.
Breaking it down
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.print("Enter first integer number: ");
int num = input.nextInt();
input.close();
for (int i = 2; i <= num;) {
if (num % i == 0) {
System.out.print(i + " ");
num /= i;
} else {
i++;
}
}
}Output
Enter first integer number: 120
2 2 2 3 5