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Factors
Multiples
Greatest Common Factor
Least Common Multiple
100

List all of the factors of 16.

1, 2, 4, 8, and 16.

100

List any 3 multiples of 8 that are less than 50.

8, 16, 24, 32, 40 or 48

100

What is the greatest common factor of 6 and 9?

3

100
What is the least common multiple of 2 and 3?

6

200

List all the factors of 32.

1,2,4,8,16 and 32.

200

List 3 common multiples of 2 and 6 less than 50

6, 12, 18, 24, 30, 36, 42 or 48.

200

What is the greatest common factor of 14 and 21?

7

200
What is the least common multiple of 3 and 7?
21
300
List all of the common factors of 12 and 20.
1, 2, and 4
300
List all the common multiples of 6 and 8 that are less than 50.
24 and 48
300

What is the greatest common factor of 12 and 24?

12

300
What is the least common multiple of 4 and 9?
36
400
List all of the factors of 42.
1, 2, 3, 6, 7, 14, 21, 42
400

List 4 multiples of 7 greater than 10 but less than 50.

14, 21, 28, 35, 42, 49

400
What is the greatest factor of 16 and 36?
4
400

What is the least common multiple of 12 and 20?

60

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 18 that are less than 75.

36 and 72

500

What is the greatest common factor of 40 and 64?

8
500

What is the least common multiple of 6 and 22?

66