2033 人解决，2292 人已尝试。
2544 份提交通过，共有 5125 份提交。
0.6 EMB 奖励。
单点时限: 2.0 sec
内存限制: 256 MB
Write a program which computes the greatest common divisor (GCD) and the least common multiple (LCM) of given
The first line of input gives the number of cases,
Each test case contains two interger a and b separated by a single space in a line.
For each test case, print GCD and LCM separated by a single space in a line.
2 8 6 5000 3000
2 24 1000 15000
2033 人解决，2292 人已尝试。
2544 份提交通过，共有 5125 份提交。
0.6 EMB 奖励。