Number Properties and Factors

True or False: The associative property of multiplication states that changing the grouping of numbers in multiplication does not change the product.

• False

• The associative property only applies to addition

• True

• True

List all of the factors of 12

• 2,6

• 1,2,6,12

• 1,2,3,4,6,12

• 1,2,3,4,5,6,10,12

What is the prime factorization of 24?

• 2 x 2 x 2 x 4

• 2 x 2 x 3 x 3

• 2 x 2 x 2 x 2

• 2 x 2 x 2 x 3

Which of the following numbers is composite: 11, 15, 17, 19?

• 11

• 17

• 15

• 19

What is the prime factorization of 36?

• 2 * 3 * 3 * 3

• 2 * 2 * 2 * 3

• 2 * 2 * 3 * 3

• 2 * 2 * 2 * 2

Select all that describe the number 42.

• odd

• even

• prime

• composite

• square

Select all that describe the number 17.

• odd

• even

• prime

• composite

• square

Select all that describe the number 16.

• odd

• even

• prime

• composite

• square

Which of the following numbers is composite: 23, 25, 27, 29?

• 29

• 23

• 31

• 25, 27

What is the prime factorization of 48?

• 2 x 2 x 2 x 3 x 3

• 2 x 2 x 2 x 2 x 5

• 2 x 2 x 2 x 2 x 3

• 2 x 2 x 2 x 2 x 2