Greatest Common Factor

Find the missing factor.
3 x ? = 24

Tags

CCSS.3.OA.A.4

Find the missing factor.

5 x ? = 35

Tags

CCSS.3.OA.B.6

Find the missing factor.

12 x ? = 48

Tags

CCSS.3.OA.A.4

Which list shows all of the factors of 12?

• 1, 2, 3, 12

• 1, 2, 3, 4, 6, 12

• 0, 1, 2, 3, 4, 6

• 1, 3, 5, 6

Tags

CCSS.4.OA.B.4

Which list shows all of the factors of 36?

• 1, 4, 9, 36

• 1, 4, 6, 9, 36

• 1, 2, 3, 4, 6, 9, 12, 18, 36

• None of the above

Tags

CCSS.4.OA.B.4

Which list shows all of the factors of 20?

• 1, 2, 4, 5, 10, 20

• 1, 2, 10, 20

• 1, 2, 3, 4, 5, 8, 10, 20

• None of the above

Tags

CCSS.4.OA.B.4

What is the GCF of 12 and 20?

• 12

• 20

• 1

• 4

What is the GCF of 20 and 30?

• 20

• 10

• 30

• 15

What is the GCF of 24 and 40?

• 10

• 4

• 8

• 12

What's the GCF of 5 and 9?

• 1

• 5

• 3

• 9