Primes and Composite

Which number is neither prime nor composite?

• 2

• 11

• 1

• 13

7 X __ = 28

Which number is a FACTOR of 16

• 7
• 6
• 9
• 4

A PRIME NUMBER is...

• a number that has only one factor.
• a number that has at least two factors.
• a number that has more than two factors.
• a number that has only two factors.
  (1 and itself)

Which number below is NOT PRIME?

• 2
• 11
• 13
• 18

Which one shows ALL of the factors of 6?

• 1, 6, 12
• 1, 2, 3, 6
• 1, 2, 3,
• 1, 6

Numbers that can be multiplied together to make a product.

• multiples
• sum
• factors
• facts

Is 2 a prime or composite number?

• Prime
• Composite

What are the first 5 prime numbers?

• 2, 3, 5, 7, 11

• 1, 3, 5, 7, 9

• 1, 3, 5, 11, 13

• 2, 3, 5, 7, 13

Which number is NOT prime?

• 3
• 7
• 17
• 21