Common Denominator Quiz

What is the prime factorization of 24?

• 2 x 2 x 2 x 3

• 2 x 2 x 2 x 2

• 2 x 2 x 2 x 5

• 2 x 2 x 3 x 3

Find the lowest common multiple of 6 and 8.

• 12

• 24

• 16

• 20

Is 17 a prime number?

• No

• Maybe

• Sometimes

• Yes

Calculate the lowest common multiple of 12 and 18.

• 36

• 42

• 24

• 30

What is the prime factorization of 36?

• 2 * 3^2

• 2^2 * 3^2

• 2^3 * 3

• 2^2 * 3

Determine the lowest common multiple of 15 and 25.

• 75

• 100

• 50

• 30

Is 29 a prime number?

• Maybe

• Sometimes

• No

• Yes

Find the lowest common multiple of 9 and 16.

• 18

• 32

• 72

• 144

What is the prime factorization of 48?

• 2 x 2 x 2 x 2 x 3

• 2 x 2 x 2 x 2 x 5

• 2 x 2 x 2 x 2 x 4

• 2 x 2 x 2 x 3 x 3

Calculate the lowest common multiple of 20 and 30.

• 50

• 60

• 70

• 40