Gcf and Gcd

What is the GCD (or GCF) of 14, 28 and 84

What is the GCD (or GCF) of 15 and 121

Find the GCF of 30 and 40

• 10

• 3

• 7b

• 12

Find the GCF of 25 and 35

• 10

• 5

• 4c

• 35

Find the GCF of 9 and 12

• 9

• 3

• 12e

• 2

The __________________ is the greatest number that divides exactly into two or more numbers. Also known as Greatest Common Divisor (GCD)

• Greatest Common Factor (GCF)

• Trinomial

• Universal Set

Find the GCF of 14x and 21x

• 21

• 14

• 7x

• 5x

Find the GCF of 18a and 21a

• 9

• 6

• 3a

• 4a

Find the GCF of 25y and 55y

• 12y

• 5y

• 3a

• 5b

Find the GCF of 9p and 30p

• 3p

• 6p

• 9

• 3