Factoring and Greatest Common Factor

Which of these is a factor of 18?

• 4

• 5

• 36

• 3

What are the factors for 25?

• 1, 2, 3, 5, 12, 25

• 1, 5, 25

• 5,25

• 1, 3, 5, 25

What does GCF mean?

• Greatest common factor

• grid colour forest

Which is a factor of 15?

• 2

• 3

• 4

• 6

Give the GCF of 10 and 15

• 2

• 5

• 10

• 15

Factor out the GCF:
10x³ - 15x

• x(10x² - 15)

• 5x(2x² - 3)

• 5(2x³ - 3x)

• 5x²(10x - 3)

What is the GCF of the terms below?

• 8x

• 6x²

• 12x²

• 4x

• 12x³

Find the GCF of the terms of each polynomial.

• y²

• 4y⁵

• 18y

• 18y²

What is the greatest common factor of 20a²b² and 50b³?

• 100a²b²

• 10b³

• 10ab²

• 10b²

Factor using GCF or monomial factoring: 2n²-8n³

• 2n²(n-4n²)

• 2n²(1-4n)

• 2n³(10-8n²)

• 3n(1-4n)