LCM and GCF of Monomials

What is the greatest common factor (GCF) of 10b² and 10?

• 2
• 5
• 10
• 10b

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

• 8x²
• 16x²
• 16x
• 96x³

What is the least common multiple (LCM) 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 20a²b² and 50b³?

• 100a²b³
• 10b³
• 10ab²
• 10b²

What is the least common multiple (LCM) of 
10a⁴ , 16a and 10a² ?

• 80a⁴
• 2a²
• 10a
• 10a²

Find the GCF of 5x²y and 15xy²z

• 15x²y²z
• x²yz
• 5xy
• 15xyz

Find the GCF of 3xy and 15x³y³

• 15x³y³
• 3x³y³
• 45x³y³
• 3xy

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

• 4x

• 6x

• 2x

• x

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

• xy²

• x³y²

• 1

• x²y³