Understanding LCM and GCF

What does LCM stand for?

• Least Common Multiplication

• Last Common Multiple

• Last Common Multiplication

• Least Common Multiple

What is a multiple?

• A number that can be divided by another number without a remainder

• A number that results from adding two numbers together

• A number that results from multiplying a given number by any other number

• A number that can be subtracted by another number without a remainder

What are multiples of 6?

• 6, 13, 20, 27

• 6, 14, 22, 30

• 6, 12, 18, 24

• 6, 11, 16, 21

What is the LCM of 6 and 8?

• 12

• 36

• 24

• 48

What does GCF stand for?

• General Common Figure

• General Common Factor

• Greatest Common Figure

• Greatest Common Factor

How do you find the GCF of two numbers?

• By finding the largest number that divides both numbers evenly

• By multiplying the two numbers together

• By adding the two numbers together

• By finding the smallest number that divides both numbers

What is the GCF of 36 and 48?

• 12

• 6

• 24

• 18

What is the LCM of 8 and 12?

(a)  

What is the least common multiple (LCM) of 8 and 5?

• 50
• 40
• 5
• 8

What is the least common multiple (LCM) of 4 and 10?

• 4
• 40
• 15
• 20