Properties of Numbers Practice

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

14, 49, and 28 are all multiples of what number?

• 2
• 7
• 4
• 5

Find the Least Common Multiple (LCM) of 8 and 12

• 812

• 20

• 96

• 24

Which of the following are multiples of 6...

• 1, 2, 3, 6
• 12, 18, 24
• 2, 4, 6, 8
• none

Which number is the only even prime number?

• 2

• 4

• 6

• 12

What are the next three multiples?6, 12, 18, ___ ,___ ,___

• 24, 30, 34
• 24, 36, 42
• 24, 30, 36
• 22, 28, 34

What is the greatest common factor of 20 and 30?

• 60

• 5

• 10

• 30

A florist orders sunflowers every 6 days, and daisies every 4 days. How many days will pass until the next time she orders both kinds of flowers on the same day?

• 12 days

• 2 days

• 24 days

• 4 days

Which number is NOT a multiple of 3?

• 12
• 33
• 14
• 21

Which number is a prime number?

• 52

• 63

• 45

• 83