Find Least Common Multiple of 4 and 5 by listing out the factors.
Answer
LCM( 4, 5 ) = 20
Explanation
Write down multiples of each number until you find the first common multiple:
The multipliers of 4 are: 4, 8, 12, 16, 20, 24, . . .
The multipliers of 5 are: 5, 10, 15, 20, 25, . . .
We can see that:
LCM( 4, 5 ) = 20
This solution can be visualized using a Venn diagram.
The LCM is equal to the product of all the numbers on the diagram.
This page was created using
LCM Calculator