The greatest common factor of two numbers is 14 and the least common multiple is 168. One of them is 42 and the other is 168______ .

The greatest common factor of two numbers is 14 and the least common multiple is 168. One of them is 42 and the other is 168______ .

168 △ 42 = 44 × 14 = 56 A: the other number is 56, so the answer is 56