Factors
Multiples
Greatest Common Factor
Least Common Multiple
Random
100
List all of the factors of 32.
1, 2, 4, 8, 16, and 32
100
List 3 multiples of 8 that are less than 50.
8, 16, 24, 32, 40, 48
100
What is the greatest common factor of 12 and 15
3
100
What is the least common multiple of 3 and 7?
21
100

List all the common factors 12 and 20

1, 2, 4

200
List all of the common factors of 12 and 20.
1, 2, and 4
200
List 3 common multiples of 2 and 6.
6, 12, 18, 24, 30, 36, 42, 48, etc.
200
What is the greatest common factor of 24 and 20?
4
200
What is the least common multiple of 4 and 9?
36
200

List all the common factors of 48, 16, and 12

1, 2, 4

300
List all of the factors of 42.
1, 2, 3, 6, 7, 14, 21, 42
300
List all the common multiples of 6 and 8 that are less than 50.
24 and 48
300
What is the greatest factor of 16 and 36?
4
300
What is the least common multiple of 2, 3, and 5?
30
300

Find the LCM of 48 and 24 

6

400

List all of the factors of 36.

1, 2, 3, 4, 6, 9, 12, 18, 36

400
List 4 multiples of 7 greater than 10 but less than 50.
14, 21, 28, 35, 42, 49
400
What is the great common factor of 50, 35, and 15?
5
400
What is the least common multiple of 20 and 12?
60
400

Wilma is thinking of a number that is divisible by both 17 and 8.  What is the smallest possible number that Wilma could be thinking of?

1

500
List all of the common factors of 24 and 36.
1, 2, 3, 4, 6, 12
500

List all the common multiples of 12 and 8 that are less than 50. 

24 and 48
500
What is the greatest common factor of 64 and 80?
16
500
What is the least common multiple of 21 and 24?
168
500

Find the LCM of 4 and 9

36

M
e
n
u