/*
* hdu 最小公倍数
* date 2014/5/13
* state AC
*/
#include <iostream>

using namespace std;

int gcd(int x,int y)
{
    while(x!=y)
    {
        if(x>y)x=x-y;
        else y=y-x;
    }
    return x;
}

int main()
{
    //cout << "Hello world!" << endl;
    int a,b;
    while(scanf("%d%d",&a,&b)==2)
    {
        cout<<a/gcd(a,b)*b<<endl;
    }
    return 0;
}