LCM( 9, 16, 24 ) = 144
Write down multiples of each number until you find the first common multiple:
The multipliers of 9 are: 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108, 117, 126, 135, 144, 153, . . .
The multipliers of 16 are: 16, 32, 48, 64, 80, 96, 112, 128, 144, 160, . . .
The multipliers of 24 are: 24, 48, 72, 96, 120, 144, 168, . . .
We can see that:
LCM( 9, 16, 24 ) = 144
This solution can be visualized using a Venn diagram.
The LCM is equal to the product of all the numbers on the diagram.