import java.util.Scanner;
publicclassMain{
publicstaticvoidmain(String[] args){
Scanner in = new Scanner(System.in);
long a = in.nextLong();
long b = in.nextLong();
System.out.println(a * b / gcd(a, b));
}
publicstaticlonggcd(Long a, Long b){
if(b == 0) return a;
elsereturn gcd(b, a % b);
}
}