The Least Common Multiple Quiz

By | July 8, 2014

After taking the Greatest Common Factor Quiz, let me give you a Least Common Multiple Quiz, a topic that is quite related to greatest common factor. In case you missed it, I have already explained the concept of Least Common Multiple (LCM), you can read it before taking the quiz. The LCM is needed to add or subtract fractions, particularly dissimilar fractions.

The Least Common Multiple Quiz

Find the least common factor of the following numbers.

1.) 6 and 8

Answer
24

2.) 5 and 4 

Answer
20

3.) 7 and 21

Answer
21

4.) 6 and 5

Answer
30

5.) 12 and 18

Answer
36

6.) 6 and 9

Answer
18

7.)16 and 20

Answer
80

8.) 15 and 20

Answer
60

9.) 2, 3, and 4

Answer
12

10.) 2, 4, and 8

Answer
8

11.) 4, 5, and 7

Answer
140

12.) 8, 12 and 5

Answer
120

Did you like it? What’s your score?

To enjoy more quizzes and practice tests, visit the Practice test page.

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