[백준] 5347번 LCM (silver 5

import java.io.*;
import java.util.*;
public class Main{
    public static void main(String[] args)throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        StringTokenizer st;
        int t=Integer.parseInt(br.readLine());
        for(int i=0; i<t; i++){
            st=new StringTokenizer(br.readLine());
            long a=Long.parseLong(st.nextToken());
            long b=Long.parseLong(st.nextToken());
            bw.write(a*b/gcd(Math.max(a,b),Math.min(a,b))+"\n");
        }
        bw.flush();
    }
    public static long gcd(long a,long b){
        long temp=a%b;
        if(temp==0){
            return b;
        }
        else{
            return gcd(b,temp);
        }
    }

}