Factors, Multiples, Prime and Composite

Factors

100

What are the factors of 20?

1,2,4,5,10,20

200

What are the factors of 42?

1, 2, 6, 7, 21, 42

300

What are the factors of 21?

1, 3, 7, 21

400

What are the factors of 55?

1, 5, 11, 55

500

What are the factors of 17?

1, 17

Multiples

100

List the first 5 multiples of 2

2, 4, 6, 8, 10

200

List the first 5 multiples of 5

5, 10, 15, 20, 25

300

List the first 5 multiples of 7

7, 14, 21, 28, 35

400

List the first 5 multiples of 9

9, 18, 27, 36, 45

500

List the first 5 multiples of 3

3, 6, 9, 12, 15

Prime/Composite

100

Is 18 prime or composite? 

Composite

200

Is 29 prime or composite?

Prime

300

Is 2 prime or composite? 

Prime

400

Is 35 prime or composite? 

Composite

500

Is 1 prime, composite or neither? 

Neither