Greatest Common Factor Quiz

What is the greatest common factor of 30 and 36 when listing all factors?

• 9

• 6

• 5

• 3

Which of the following is a step in the factor tree method?

• Subtracting the smaller number from the larger one

• Writing numbers as a product of prime factors

• Finding the sum of the numbers

• Listing all factors of a number

In the factor tree method, what is the prime factorization of 30?

• 2 x 3 x 5

• 2 x 2 x 3

• 3 x 3 x 2

• 3 x 5 x 6

What is the greatest common factor of 30 and 36 using the factor tree method?

• 8

• 6

• 5

• 4

Which method involves setting up a factor tree?

• Adding the numbers

• Finding the least common multiple

• Prime factorization

• Listing all factors