greatest common factor

• 3

• 4

• 2

• 5

• 5

• 2

• 10

• 20

What is the GCF of 40 and 60?

• 5

• 2

• 10

• 20

Greatest common factor of 10 and 50

• 5

• 2

• 10

• 1

• 2

• 7

• 12

You can factor using GCF or monomial factoring:

2 + 18 = 2(1 + 9)

• 2(1 + 9)

• 8(1 + 9)

• 1(1 + 9)

• cannot be factored

Factor using GCF or monomial factoring:

30 + 18

Factors of 30 are 1,2,3,5,6,10,15,30

Factors of 18 are 1,2,3,6,9,18

• 15 (5 + 3)

• 4 (5 + 3)

• 3 (5 + 3)

• 6 (5 + 3)

Tags

CCSS.6.NS.B.4

Factor using GCF or monomial factoring:

25 + 100

• 5(1 + 4)

• 25(1 + 4)

• 2(1 + 4)

Tags

CCSS.7.EE.A.1

Factor using GCF

12 + 24

• 1(1 + 2)

• 4(1 + 2)

• 12(1 + 2)

• 6(1 + 2)

Tags

CCSS.6.NS.B.4

Greatest common factor of 3 and 8

• 1

• 2

• 3