Finding the GCF

What is the greatest common factor of 10b² and 10?

• 2
• 5
• 10
• 10b

What is the greatest common factor of 48x²and 32x³?

• 8x²
• 16x²
• 16x
• 96x³

What is the greatest common factor of 28y²and 49y²?

• 7y
• 21y²
• 196y²
• 7y²

What is the greatest common factor of 40a²b and 48ab²?

• 240a²b²
• 5ab
• 8ab
• 4ab

What is the greatest common factor of 30x and 56x²

• 4x

• 6x

• 2x

• x

What is the greatest common factor of 12c⁴ and 6c²?

• 6c⁴

• 6c²

• 2c²

• 12c⁴

What is the greatest common factor of 18xy³ and 25x³y²?

• xy²

• x³y²

• 1

• x²y³

Which is a common factor of 12x and 27?

• x

• 12

• 3

• 9

What is the greatest factor of 28 and 49?

• 1
• 2
• 7
• 12

What is the GCF of the terms below?

24x³ + 36x²

• 8x

• 6x²

• 12x²

• 4x

• 12x³