Question

Find the Lowest Common Multiple (LCM) of 21, 63 and 105.

Answer 1

Answer : D) 315

The least common multiply of 21, 63 and 105 is 315. We can verify that this is the least common multiply by dividing 315 by the numbers prompted : 21, 63, 105.

Since 315 is divisible by these numbers, it’s the least common multiple.

Answer 2

A ) 15 I think because it the lowest number!