#include<iostream>
#include<fstream>
#include<algorithm>
using namespace std;
ifstream fin("kmul.in");
ofstream fout("kmul.out");
int NOD(int a,int b)
{
    while(a&&b)
    {
        if (a>b) a%=b;
        else b%=a;
        if (!a)
    {
        return a;
    }
    return b;
    }
}
int main()
{
    int a,b,k,res;
    fin>>a>>b>>k;
    res=((a*b)/NOD(a,b))*k;
    fout<<res<<endl;
return 0;
}