#include <stdio.h>

using namespace std;

long long gcd(long long m, long long n)
{
    int  r;
    while (n != 0)
    {
        r = m % n;
        m = n;
        n = r;
    }
    return m;
}

unsigned long long NOK (long long a, long long b)
{
    return ( ( a * b ) / gcd(a, b) );
}

int main ()
{
    long long a, b, k;
    FILE* In = fopen ("kmul.in", "r");
    FILE* Out = fopen ("kmul.out", "w");
    fscanf (In, "%lld%lld", &a, &b);
    fscanf (In, "%lld", &k);
    fprintf (Out, "%lld\n", NOK (a, b) * k);
    fclose (In);
    fclose (Out);
}