LCM( 6, 30 ) = 30
Write down multiples of each number until you find the first common multiple:
The multipliers of 6 are: 6, 12, 18, 24, 30, 36, . . .
The multipliers of 30 are: 30, 60, . . .
We can see that:
LCM( 6, 30 ) = 30
This solution can be visualized using a Venn diagram.
The LCM is equal to the product of all the numbers on the diagram.