Find Least Common Multiple of 72 and 108 by listing out the factors.
Answer
LCM( 72, 108 ) = 216
Explanation
Write down multiples of each number until you find the first common multiple:
The multipliers of 72 are: 72, 144, 216, 288, . . .
The multipliers of 108 are: 108, 216, 324, . . .
We can see that:
LCM( 72, 108 ) = 216
This solution can be visualized using a Venn diagram.
The LCM is equal to the product of all the numbers on the diagram.
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