factors

List the factors of 20

• 1,2, 3, 4, 5, 6, 7, 8, 9, 10

• 1, 2, 4, 5, 10, 20

• 1, 2, 4,

• 1, , 4, 5, 10, 20

Is 9 a prime or composite number?

• neither

• prime

• composite

what are the factor pairs of 15

• 1 and 15, 3 and 5

• 1 and 14, 2 and 13, 3 and 12

• 1 and 15, 5 and 10

Is 7 a prime or composite number?

• neither

• composite

• prime

List the factors of 12

• 1, 12

• 1, 2, 3, 4, 6, 12

• 1, 2, 6, 12

• 1, 3, 4, 12