Factors Multiples Prime

Which number is a factor of 10

• 3
• 4
• 5
• 8

Which number is a factor of 24

• 9
• 7
• 11
• 12

Which is a NOT a factor of 9?

• 0
• 1
• 3
• 9

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 NOT prime?

• 3
• 7
• 17
• 21

Joe has listed the first 4 multiples of 7 as: 
7   14    22     28
Which one is incorrect?

• 7
• 14
• 22
• 28

Find the greatest common factor of 20 and 30

• 2
• 5
• 10
• 15

What is the LCM of 3 and 6? 

• 3
• 6
• 12
• 15

What is the LCM?

• The LCM is the least common factor that both numbers share the least. 
• The LCM is a multiple that both numbers share the most.  
• The LCM is a multiple that both numbers share the least. 
• The LCM is a factor that both numbers share the least. 

Which of the following is a multiple of 7?

• 28
• 48
• 71
• 45