Prime Factorization & Divisibility Rules Quiz

What are the factors of 24?

• 2, 12

• 5, 5

• 3, 8

• 4, 6

What is the prime factorization of 40?

• 2 x 20

• 2 x 2 x 10

• 2 x 2 x 2 x 5

• 2 x 2 x 2 x 2 x 5

Which number is divisible by both 2 and 3?

• 144

• 45

• 712

• 345

What is the divisibility rule for 4?

What are the factors of 15?

• 3, 5

• 5, 3

• 2, 8

• 4, 4

Which number is a prime number?

• 11

• 6

• 12

• 15

What is the divisibility rule for 9?

What are the factors of 20?

• 6, 4

• 4, 5

• 3, 7

• 2, 10

What is the prime factorization of 30?

• 2 x 15

• 2 x 2 x 7.5

• 2 x 3 x 5

• 2 x 2 x 2 x 3.75

Which number is divisible by both 3 and 5?

• 30

• 25

• 35

• 45