import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        String ab = scan.nextLine();
        int a = Integer.valueOf(ab.split(" ")[0].trim());
        int b = Integer.valueOf(ab.split(" ")[1].trim());
        int gcdVal = gcd(a, b);
        System.out.println(a * b / gcdVal);
    }
    public static int gcd(int m, int n) {
        return n == 0 ? m : gcd(n, m % n);
    }
}