Greatest Common Factor

What does GCF mean?

• Great Cookie Fever

• Greatest Common Factor

• Greatest Common Multiple

• Greatest Compared Factor

What is the greatest common factor of 4 and 16?

• 4

• 2

• 1

• 16

What is the GCF of 21 and 49?

What is the GCF of 24 and 30?

• 2

• 12

• 6

• 3

Find the GCF of 14 & 22.

• 1

• 2

• 7

• 14

What is the GCF of 8 and 10?

• 1

• 3

• 4

• 2

Find the GCF of 21 and 28

• 3

• 4

• 7

• 14

Find the greatest common factor of 30 and 36

• 2

• 3

• 6

• 18

GCF of 9 and 36

• 3

• 6

• 9

• 12

• Not Given

Greatest common factor of 10 and 20

• 5

• 2

• 10