최소공배수

#include <algorithm>
#include <iostream>
#include <stdio.h>
#include <vector>
#include <map>
#include <stack>
#include <queue>
#include <deque>
#include <string>
#include <cmath>
using namespace std;

int gcd(int a, int b) {
	int tmp;
	while (b != 0) {
		tmp = a % b;
		a = b;
		b = tmp;
	}
	return a;
}
int lcm(int a, int b) {
	return a * b / gcd(a, b);
}

int main() {
	//freopen("input.txt", "rt", stdin);
	int n;
	scanf("%d", &n);
	for (int i = 0; i < n; i++) {
		int a, b;
		scanf("%d %d", &a, &b);
		printf("%d\n", lcm(a, b));
	}
	
	

	return 0;
}