Least common multiple of 42 and 9?

Answer 1

The least common multiple (LCM) is often also called the lowest common multiple or smallest common multiple. Keep in mind that these different terms all refer to the same thing: the smallest positive integer which is a multiple of two or more numbers.

The least common multiple of 9, 20, 40, and 42 is 2520.

Answer 2

The LCM of 9, 14 and 42 is 126.

Answer 3

1260

Answer 4

126