Factors, Prime and Composite Numbers

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 is COMPOSITE?

• 11

• 13

• 21

• 23

Which number below is NOT PRIME?

• 2
• 11
• 13
• 18

Is 5 a factor of 80?

• yes
• no

Which one shows ALL of the factors of 6?

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

Which choice lists all the factors for the number 24?

• 2, 3, 4, 6, 8, 12, 24
• 2, 3, 4, 6, 8, 12, 24, 36
• 1, 2, 3, 4, 6, 8, 12, 24
• 1, 2, 4, 5, 6, 8, 12 ,24

Numbers that can be multiplied together to make a product.

• multiples
• sum
• factors
• facts

Is 2 a prime or composite number?

• Prime
• Composite

Which number listed below is a prime number?

• 1
• 37
• 63
• 33