Factors and Greatest Common Factor

Find the Greatest Common Factor (GCF) of 60 and 75

• 1

• 3

• 5

• 15

Find the Greatest Common Factor (GCF) OF 12,  18 & 30

• 1

• 3

• 6

• 12

Find the prime factorization of 40

• 2 x 5 x 2

• 2 x 20

• 5 x 8

• 2 x 2 x 2 x 5

What is the prime factorization of 15?

• 3x3x3

• 2x2x5

• 15

• 3x5

Factor the sum of terms as a product of the GCF and a sum.
64x + 48

• 16(4 + 3)

• 8(8x + 6)

• 16(4x + 3x)

• 16(4x + 3)

List the factors of each number in each set and determine the greatest common factor for 30 and 10.

• 10

• 5

• 3

• 1

List the factors of each number in each set and determine the greatest common factor for 78 and 26.

• 26

• 13

• 39

• 52

List the factors of each number in each set and determine the greatest common factor for 60 and 68.

• 4

• 2

• 6

• 8

List the factors of each number in each set and determine the greatest common factor for 70 and 20.

• 10

• 5

• 2

• 1

List the factors of each number in each set and determine the greatest common factor for 40 and 24.

• 8

• 6

• 4

• 10