Finding the GCF of Monomials

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 42xy² and 28x³y?

• 84x³y²
• 14y
• 14xy
• 14xy²

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

• 240a²b²
• 5ab
• 8ab
• 4ab

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

• 6c⁴

• 6c²

• 2c²

• 12c⁴