Composite Prime

Which of the following odd numbers are composite numbers?

• 9

• 15

• 17

• 21

• 31

Is 2 a prime or composite number?

• Prime

• Composite

Which number is COMPOSITE?

• 11
  11

• 13

• 21

• 23

Is 100 a prime or composite number?

• Prime

• Composite

The number 21 is ​ (a)   because it has ​ (b)  

• composite

• prime

• more than 1 factor pair

• exactly 1 factor pair

Are each of these numbers prime or composite?

• composite

• 10

• prime

• 12

• composite

• 15

• prime

• 7

• composite

• 3

Which of the following numbers is a composite number?

• 2

• 3

• 5

• 9

The number 11 is​ (a)   because it has ​ (b)  

• prime

• composite

• exactly 2 factors

• more than 2 factors

Is 16 Prime or Composite

• Prime

• Composite

Is 29 prime or composite?

• Prime

• Composite