Prime and Composite

Which number is a composite number?

• 17

• 2

• 19

• 44

Which is prime

• 21

• 39

• 47

• 51

What are always the factors of a prime number?

• 1, 2, and the number itself

• 1 and the number itself

• Every number from 1-10

• 0 and 1

Composite numbers:

• Are always bigger than prime numbers

• Have more than 2 factors

• Only have 2 factors

• Don't have factors

Find the prime number

• 20

• 13

• 21

• 6

What number is the only even prime number?

• 0

• 2

• 1

• 3

Is 63 a prime or composite number?

• Prime

• Composite

Choose ALL of the Composite Numbers (Hint: There are 3 answers)

• 27

• 13

• 73

• 66

• 49

A number that has EXACTLY TWO FACTORS is called a...

• odd

• even

• prime

• composite

Has two factors, one and itself.

• odd

• even

• prime

• composite