LCM Using Prime Factorization Quiz

What is the Least Common Multiple (LCM) primarily used for?

• Calculating the sum of two numbers

• Determining the greatest common divisor

• Identifying the largest prime factor of a number

• Finding the smallest number that is a multiple of two or more numbers

What is the first step in the prime factorization method for finding the LCM?

• Creating factor trees for the numbers

• Listing all multiples of the numbers

• Finding the greatest common divisor

• Adding the numbers together

When creating a factor tree, what type of numbers are you primarily looking for?

• Even numbers

• Odd numbers

• Prime numbers

• Composite numbers

In the example of finding the LCM of 9 and 12, what is the shared prime factor?

• 2

• 6

• 9

• 3

What is the LCM of 9 and 12 as calculated using the prime factorization method?

• 48

• 24

• 36

• 18