Gcf of a Number

What is the greatest common factor of 6 and 21?

• 6

• 2

• 3

• 7

What is the GCF of 4 and 12?

• 3

• 1

• 6

• 4

What is the GCF of 20 and 32?

(a)  

What is the GCF of 24 and 56?

(a)  

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

Mathematical Equivalence

ON

Match the following GCF to the Expression

• 3

• 12 and 24

• 6

• 4 and 4

• 4

• 6 and 18

• 7

• 28 and 49

• 12

• 6 and 9

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

• 8

• 4

• 5

• 2

• 16

• 32

• 3

• 11

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

Mathematical Equivalence

ON

GCF 24 and 36

• 8

• 6

• 12

• 4

Give the GCF for 18 and 30

Mathematical Equivalence

ON