#include <iostream>

using namespace std;

typedef long long ull;

ull gcd(ull a, ull b) {
    return b ? gcd(b, a % b) : a;
}

ull lcm(ull a, ull b) {
    return a / gcd(a, b) * b;
}

int main() {
    ull n;
    cin >> n;
    ull ans = 1;
    for (ull i = 1; i <= n; i++) {
        ans = lcm(ans, i);
    }
    cout << ans;
    return 0;
}