GCF Practice

Find the GCF of 64 and 144

• 8
• 6
• 16
• 2

What is the GCF of 18 and 24?

• 3
• 6
• 8
• 9

What is the greatest factor of 28 and 49?

• 1
• 2
• 7
• 12

What is the GCF of 20 and 30?

• 5
• 2
• 10
• 20

What is the greatest common factor of 40 and 48?

• 4
• 24
• 8
• 16

What is the greatest common factor of b⁴ and b⁸?

• b⁴

• b⁸

• b²

• b

What is the greatest common factor of 8x² and 4x?

• 8x²

• 4x²

• 2x

• 4x

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

• 6c⁴

• 6c²

• 2c²

• 12c⁴

What is the greatest common factor of 27b³ and 16c²?

• b³c²

• bc

• 1

• b²c³

• 3

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

• xy²

• x³y²

• 1

• x²y³