import java.math.BigInteger;
import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner in=new Scanner(System.in);
        BigInteger a=in.nextBigInteger();
        BigInteger b=in.nextBigInteger();
        Main ss=new Main();
        System.out.println(ss.lcm(a,b));

    }
    private BigInteger gcd(BigInteger a, BigInteger b){
        if (a.mod(b).equals(BigInteger.ZERO)){
                return b;
        }else {
           return gcd(b,a.mod(b));
        }
    }
    private BigInteger lcm(BigInteger a,BigInteger b){
        return (a.multiply(b).divide(gcd(a,b)));
    }
}