Finding Factors and Gcf

Determine all factor pairs for the number 36.

• (1, 36), (2, 18), (3, 12), (4, 9), (6, 6)

• (1, 36), (2, 18), (3, 12), (4, 8), (6, 6)

• (1, 36), (2, 18), (3, 12), (5, 7), (6, 6)

• (1, 36), (2, 18), (3, 12), (4, 10), (6, 6)

Tags

VA.4.CE.2.e

What are the common factors of 24 and 36?

• 1, 2, 3, 4, 6, 12

• 1, 2, 3, 4, 6, 8

• 1, 2, 3, 4, 6, 9

• 1, 2, 3, 4, 6, 18

Tags

VA.4.CE.2.f

Find all factor pairs for the number 48.

• (1, 48), (2, 24), (3, 16), (4, 12), (6, 8)

• (1, 48), (2, 24), (3, 16), (4, 10), (6, 8)

• (1, 48), (2, 24), (3, 15), (4, 12), (6, 8)

• (1, 48), (2, 24), (3, 16), (5, 9), (6, 8)

Tags

VA.4.CE.2.e

What is the greatest common factor (GCF) of 18, 24, and 30?

• 2

• 3

• 6

• 12

Tags

VA.4.CE.2.f

What is the greatest common factor (GCF) of 18 and 30? (Just type the number)

Mathematical Equivalence

ON

The Greatest Common Factor of 16 and 40 is ​ (a)  

• 8

• 4

• 5

• 2

• 16

• 32

• 3

• 11

What is the greatest common factor of the numbers 30 and 25?

Mathematical Equivalence

ON

GCF 24 and 36

• 8

• 6

• 12

• 4

Select all the common factors of 12 and 36.

Match the following GCF to the Expression

• 7

• 4 and 2

• 8

• 8 and 72

• 9

• 5 and 5

• 2

• 21 and 28

• 5

• 9 and 81