lCM, GCF, Prime Factorization, and Exponents

Which number IS NOT a factor of both 40 and 24

• 4

• 8

• 5

• 2

Which list shows all of the factors of 18?

• 18, 36, 54,72,90

• 3 x 6

• 2, 3, 6, 9

• 1, 2, 3, 6, 9, 18

What is the LCM of 4 and 5

Select all numbers that are prime.

• 1

• 3

• 21

• 12

• 7

How many factors does every prime number have?

• 1

• 0

• 2

• 5

What is the prime factorization of 30?

• 3 x 10

• 2 x 15

• 2 x 3 x 5

• 1 x 6 x 5

What is the GCF of 20 and 30?

• 2

• 10

• 5

• 15

Which number IS not a multiple of 12?

• 12

• 36

• 60

• 6

• 48

Which list has all prime numbers?

• 3, 5, 15, 21

• 1, 3, 5, 7, 9

• 2, 7, 9, 11

• 2, 5, 3, 17, 19

What is the prime factorization of 24?

• 1x 2 x 12

• 2x2x2x3

• 2x2x5x2

• 2x3x4