Find Least Common Multiple of 84 and 98 by listing out the factors.
Answer
LCM( 84, 98 ) = 588
Explanation
Write down multiples of each number until you find the first common multiple:
The multipliers of 84 are: 84, 168, 252, 336, 420, 504, 588, 672, . . .
The multipliers of 98 are: 98, 196, 294, 392, 490, 588, 686, . . .
We can see that:
LCM( 84, 98 ) = 588
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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