Question

What is the LCM of 6 and 15

Answer 1

\[6 = 2\cdot3\\~\\15=~~~3\cdot5\]

Answer 2

So LCM of 6 and 15 need to be multiplies by 2, 3, and 5.

So lowest number you can go is \(2\cdot3\cdot5 = \boxed{30}\)

Answer 3

Okay. Thank u very much.