Prime and Composite Numbers: Chapter 8

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)

List the first 5 multiples of 8

• 1, 2, 4, 8
• 8, 16, 25, 32, 40
• 8, 16, 24, 32, 40
• 8, 16, 24, 31, 40

Which number is not a multiple of 6?

• 12

• 42

• 18

• 35

When we skip count, we are listing .....

• factors
• divisors 
• addition 
• multiples

List the first 5 MULTIPLES of 3

• 3, 6 10, 15, 20
• 1, 3, 2, 6, 4
• 3, 6, 9, 12, 15
• 6, 9, 12, 15, 18

Which of the following numbers is COMPOSITE?

• 2
• 37
• 41
• 4

Is 29 prime or composite?

• Prime
• Composite
• Neither

Which is a prime number?

• 15
• 17
• 21
• 39

Which number is NOT a factor of 10?

• 1
• 2
• 3
• 5

Which number is the only even prime number?

• 0
• 2
• 1
• 3