Factors and Greatest Common Factors

What is the greatest common factor of 8 and 10?

• 1

• 3

• 4

• 2

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

Mathematical Equivalence

ON

Match the following GCF to the Expression

• 5

• 21 and 28

• 7

• 8 and 72

• 2

• 4 and 2

• 9

• 9 and 81

• 8

• 5 and 5

GCF of 24 and 56

• 2

• 4

• 6

• 8

Match the following GCF to the Expression

• 12

• 6 and 18

• 7

• 4 and 4

• 4

• 12 and 24

• 6

• 28 and 49

• 3

• 6 and 9

What does GCF stand for?

• Good Cold Flu

• Gaussian Coefficient Formula

• Given Clear Function

• Greatest Common Factor

GCF of 28 and 40

• 2

• 4

• 7

• 8

Which of the choices is not a factor of 24?

• 2

• 3

• 4

• 5

GCF of 15 and 35

• 15

• 3

• 7

• 5

What is the greatest common factor of 4 and 8?

• 2

• 8

• 4

• 1