Determine the Least Common Multiple (LCM) of (9,81,27)

We start by listing out each multiple for our 3 numbers

The LCM is the smallest multiple common in all the lists

9,18,27,36,45,54,63,72,81,90,99,108

81,162,243,324

27,54,81,108,135,162

Our Least Common Multiple (LCM) of (9,81,27) is 81