The factors of 12 are 1, 2, 3, 4, 6 and 12

8 is a composite number

All even numbers (greater than 2) are composite numbers

3 is a prime number

11 is a prime number

9 is a prime number

3² is the same as 3 x 3

4² is the same as 4 x 2

2³ is the same as 2 x 2 x 2

4² =

3² =

3³ =

2³ =

2 x 2 x 2 x 2 =

3 x 3 =

 $\sqrt{25}$  =

 $\sqrt{4}$  =

2 x 2 x 2 x 3 x 3 x 3 =

The only factors of 10 are 1 and 10

The only factors of 11 are 1 and 11

Which is NOT a prime number?