How do you find the least common multiple of 45 and 24?

Answer 1

Factor them.

2 x 2 x 2 x 3 = 24

3 x 3 x 5 = 45

Combine the factors, eliminating duplicates.

2 x 2 x 2 x 3 x 3 x 5 = 360, the LCM.