Factors and GCF

Which list shows the factors of 32?

• 1, 2, 3, 4, 8, 9, 16, 32

• 1, 2, 4, 8, 16, 32

• 1, 2, 3, 4, 5, ,6, 7, 8, 9, 16, 32

• 0, 1, 2, 3, 4, 8, 9, 16, 32

Which list shows all the factors of 12?

• 1, 2, 6, 12

• 1, 12

• 1, 2, ,3 ,4, 12

• 1,2, 3, 4, 6, 12

What are all the common factors of 8 and 12?

Check all the common factors.

• 1

• 2

• 3

• 4

• 12

Tags

CCSS.6.NS.B.4

Is 2 a common factor of 24 and 27?

• yes

• no

Tags

CCSS.6.NS.B.4

What are the common factors of 9 and 36?

Check all that apply.

• 1

• 3

• 4

• 9

• 36

Tags

CCSS.6.NS.B.4

Find the factors of 45 and 48. What is the GCF (greatest common factor)?

• 1

• 3

• 5

• 8

Tags

CCSS.6.NS.B.4

Find all the factors of 54 and 60. What is the GCF (greatest common factor)?

• 1

• 2

• 3

• 6

• 9

Tags

CCSS.6.NS.B.4

Which of the following pairs of numbers have 3 as a common factor? Choose 2 pairs!

• 18 & 24

• 21 & 25

• 51 & 63

• 49 & 52

Tags

CCSS.6.NS.B.4

Think about the factors of 5. What is special about those factors?

• They are all even numbers.

• There are only 3 factors for the number 5.

• There are only 2 factors for the number 5.

• There are no factors for the number 5.

Fill in the blank.

There are _____________ factors for any given whole number.

• finite (a set amount)

• infinite (an endless amount)