#include<iostream>
using namespace std;
inline int read()
{
	int x=0,f=1;char ch=getchar();
	while (!isdigit(ch)){if (ch=='-') f=-1;ch=getchar();}
	while (isdigit(ch)){x=x*10+ch-48;ch=getchar();}
	return x*f;
}
int gcd(int a,int b)
{
	return b==0?a:gcd(b,a%b);
}
int main()
{
	long long a=read(),b=read(),c=read(); 
	printf("%lld",(a*b/gcd(a,b))*c/gcd((a*b/gcd(a,b)),c));
	return 0;
}