Factors and Multiples

What are the factors of 25?

• 1, 2, 3, 5, 10, 15, 25
• 1, 5,  25
• 1, 25
• 1, 5

The Greatest Common Factor of two prime numbers is

• 0
• 1
• There are no common factors.
• Themselves.

Find the greatest common factor of 32 and 48

• 2
• 8
• 16
• 18

Which of these numbers is a multiple of 4?

• 2
• 9
• 15
• 20

Find the Least Common Multiple (LCM) of 4 & 14.

• 14
• 20
• 28
• 42

Rewrite the following expression using GCF and the distributive property

48 + 60

• 4(12 +15)

• 6(8 + 10)

• 12(4 + 5)

• 2(24 + 30)

Find ALL FACTORS of 24

• 1, 2, 12, 24

• 1, 2, 8, 24

• 1, 2, 3, 4, 5, 6, 8, 12, 24

• 1, 2, 3, 4, 6, 8, 12, 24

Tags

CCSS.4.OA.B.4

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

• 2
• 7
• 4
• 5

Which number is a factor of 6?

• 12
• 2
• 8
• 10

Which of the following are multiples of 6...

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