#include <bits/stdc++.h>
#define int long long
using namespace std;
int a, b, c;
int gcd(int a, int b)
{
    if (b == 0)
        return a;
    return gcd(b, a % b);
}
int lcm(int a, int b)
{
    return a / gcd(a, b) * b;
}
signed main()
{
    cin >> a >> b >> c;
    cout << lcm(lcm(a, b), c);
    return 0;
}