Factors and Factorization Challenge

What are the factors of 24?

• 15

• 5

• 10

• [1, 2, 3, 4, 6, 8, 12, 24]

Is 17 a prime number or a composite number?

• prime

• odd

• even

• composite

Find the greatest common factor (GCF) of 12 and 16.

• 4

• 6

• 2

• 8

List all the factors of 30.

• [1, 2, 3, 5, 6, 10, 15, 30]

• 1, 2, 3, 4, 5, 6, 7, 8, 9, 10

• 1, 2, 3, 4, 5, 6, 30

• 2, 3, 5, 7, 11, 13, 17, 19

Is 18 a prime number or a composite number?

• odd

• even

• composite

• prime

If a number is divisible by 2 and 3, what can you say about its factors?

• The number is only divisible by 5 and 7.

• The number has factors of 1, 4, and 12.

• The number has factors of 1, 2, 3, and 6.

• The number has factors of 1, 3, and 9.

What is the GCF of 8 and 12?

• 8

• 6

• 2

• 4

Identify the factors of 45.

• [1, 3, 5, 9, 15, 45]

• 11, 13, 17, 19, 23, 29

• 7, 14, 21, 28, 35, 42

• 2, 4, 6, 8, 10, 12

Is 21 a prime number or a composite number?

• prime

• odd

• even

• composite

Solve: If a rectangle has a length of 12 and a width of 8, what is the GCF of the two dimensions?

• 6

• 4

• 2

• 8