Greatest Common Factor

What is the GCF of 16, 24, and 30?

• 2

• 4

• 6

• 8

What is the GCF of 24, 36, and 48?

• 4

• 6

• 8

• 12

What is the GCF of 4a, 12a, and 20a?

• 2a

• 4a

• 20a

• a

What is the GCF of 6x, 12xy, and 18x?

• 3x

• 6x

• 6xy

• 2xy

What is the GCF of 10ab, 15a, and 25b?

• 5

• 5a

• 5b

• 5ab

What is the GCF of 16x² and 28x³?

• 4x

• 4x²

• 4x³

• 4

What is the GCF of 20a³b, 32a²b², and 40ab³?

• 4ab

• 4a²b²

• 4ab²

• 4a³b³

What is the GCF of 25m²n², 50m²n³, and 100m²n⁴?

• 25mn

• 25m²n²

• 25m²n⁴

• 25m²n³

What is the GCF of 18xy²z³, 27x²y³z², 45x³y⁴z², and 54x²y⁴z³?

• 3xyz

• 3xy²z²

• 9xy³z⁴

• 9xy²z²

What is the GCF of 12a²b, 15ac², and 28b²c?

• 1

• 3

• ab

• abc