11简单推导：求三个数的最小公倍数

import java.util.*;

public class Lanq {
    //public static double pi = 3.1415926535897932;

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        int k = a*b/gcd(a, b);
        int ans = k*c/gcd(k, c);
       // int cnt=ans*a*b*c;
System.out.println(ans);

    }
    public static int gcd(int x,int y)
    {
        if(y==0)return x;
        else
            return gcd(y,x%y);
    }


}