OIG XVII - bie

// https://szkopul.edu.pl/problemset/problem/XhSo6BU-Ee0RtCzqf49mSZZE/site/?key=statement
// XVII OIJ (1 etap)

#include <iostream>

long long nwd(long long int a, long long int b) {
    if (b == 0) {
        return a;
    } else {
        return nwd(b, a % b);
    }
}

long long nww(long long a, long long b) {
    return (a * b) / nwd(a, b);
}

int main() {
    std::ios_base::sync_with_stdio(0);
    std::cin.tie(0);
    std::cout.tie(0);

    long long a, b, c;
    std::cin >> a >> b >> c;

    auto res = nww(a, b);

    std::cout << c / res;

    return 0;
}