What is the least common multiple of a pair of numbers whose prime factorizations are 2 times 2 times 3 times 5 and 2 times 3 times 3?

Answer 1

2 x 2 x 5 = 20

2 x 3 x 5 = 30

2 x 2 x 3 x 5 = 60, the LCM

Answer 2

2 x 2 x 3 x 3 x 5