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Factors
Multiples
Greatest Common Factor
Least Common Multiple
Prime or Composite
100

List all the factors of 20

1, 2, 4, 5, 10, 20

100

List the multiples of 3

3, 6, 9, 12, 15, 18, 21, 24, 27, 30

100
What is the greatest common factor of 12 and 15
3
100

What is the least common multiple of 2 and 5

10

100

Prime or Composite?

3

Prime

200
List all of the factors of 32.
1, 2, 4, 8, 16, and 32
200

List the first five multiples of 6

6, 12, 18, 24, 30

200
What is the greatest common factor of 24 and 20?
4
200
What is the least common multiple of 3 and 7?
21
200

Prime or Composite?

12

Composite

300
List all of the factors of 42.
1, 2, 3, 6, 7, 14, 21, 42
300

List the first eight multiples of 4

4, 8, 12, 16, 20, 24, 28, 32

300
What is the greatest factor of 16 and 36?
4
300
What is the least common multiple of 4 and 9?
36
300

Prime or Composite?

29

Prime

400
List all of the factors of 52.
1, 2, 4, 13, 26, and 52
400

List all multiples of both 10 and 7

10, 20, 30, 40, 50, 60, 70, 80, 90, 100

7, 14, 21, 28, 35, 42, 49, 56, 63, 70

400

What is the greatest common factor of 15 and 80

5

400

What is the least common multiple of 6 and 8

24

400

Prime or Composite?

21

Composite

500

Draw all possible factor trees for 30

Answers may vary

500

List four multiples that 2 and 3 have in common.

Ex: 6, 12, 18, 24,

Answers may vary

500
What is the great common factor of 50, 35, and 15?
5
500
What is the least common multiple of 2, 3, and 5?
30
500

Come up with a list of 4 Prime numbers that you can think of

Answers may vary