#include<iostream>
#include<cstdio>
#include<algorithm>
#include<cmath>
#include<cstring>
#include<string>
using namespace std;
int gcd(int a,int b)
{
	int r=a%b;
	while(r)
	{
		a=b;
		b=r;
		r=a%b;
	}
	return b;
}
int zxgbs(int a,int b)
{
	return a*b/gcd(a,b);
}
int main()
{
	long long a,b,c;
	cin>>a>>b>>c;
	a=zxgbs(a,b);a=zxgbs(a,c);
	cout<<a<<endl;	
	return 0;
}