LCM( 12, 32, 64 ) = 192
Write down multiples of each number until you find the first common multiple:
The multipliers of 12 are: 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144, 156, 168, 180, 192, 204, . . .
The multipliers of 32 are: 32, 64, 96, 128, 160, 192, 224, . . .
The multipliers of 64 are: 64, 128, 192, 256, . . .
We can see that:
LCM( 12, 32, 64 ) = 192
This solution can be visualized using a Venn diagram.
The LCM is equal to the product of all the numbers on the diagram.