Prime Factors

Find the prime factorization of 40

• 2 x 5 x 2

• 2 x 20

• 5 x 8

• 2 x 2 x 2 x 5

Write 36 as the product of it's prime factors...

• 2 x 2 x 3 x 3

• 2 x 2 x 2 x 3

• 2² x 3²

• 2² x 3

What is a number with only 2 factors?

• prime

• composite

• factor

• multiple

The only factors that prime numbers have are:

• 0 and 1

• 0 and itself

• 1 and itself

• 1

What is the prime factorization of 24?

• 3 x 8

• 3 x 2 x 2 x 2

• 4 x 6

• 2 x 2 x 3

Match the prime factorization to each number.

• 111

• 
• 200

• 
• 26

• 
• 1000

• 
• 81

• 

Prime numbers have _____ factors.

• no

• 3

• 1

• 2

What is the prime factorization of 15?

• 3x3x3

• 2x2x5

• 15

• 3x5

Which is a prime factor of 60?

• 2

• 4

• 6

• 8

Which is a prime number?

• 15

• 17

• 21

• 39