LCM( 25, 50 ) = 50
Write down multiples of each number until you find the first common multiple:
The multipliers of 25 are: 25, 50, 75, . . .
The multipliers of 50 are: 50, 100, . . .
We can see that:
LCM( 25, 50 ) = 50
This solution can be visualized using a Venn diagram.
The LCM is equal to the product of all the numbers on the diagram.