LCM and GCF with Variables

Largest factor shared by a set of numbers

• Greatest Common Factor (GCF)

• Least Common Multiple (LCM)

• opposite

• Distributive Property

Find the GCF of 12 and 6. 

• 1

• 6

• 2

• 3

GCF (25, 15)

• 5

• 10

• 15

• 20

Lowest number that is a multiple of two or more numbers

• GCF

• LCM

The greatest factor two or more number share

• Multiple

• GCF

the LEAST number that is a common multiple of all the numbers

• greatest

  common

  factor

  (GCF)

• least

  common

  multiple

  (LCM)

• factor

• multiple

What is the least common multiple (LCM) of 48x²and 32x³?

• 8x²

• 16x²

• 16x

• 96x³

What is the least common multiple of 28y²and 49y²?

• 7y

• 21y²

• 196y²

• 7y²

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