Factors Multiples and Primes

Which is not a factor of 24?

• 2

• 3

• 4

• 5

Is 25 Prime or Composite?

• Prime

• Composite

Which number is NOT prime?

• 3

• 7

• 17

• 21

Which of numbers below are prime numbers?

• 27

• 17

• 77

• 7

Find the prime factorization of 36.

• 2^4 * 3^2

• 2^2 * 3^2

• 2^3 * 3^2

• 2^2 * 3^3

Find the prime factorization of 72

• 2³ x 3²

• 2 x 3² x 4

• 2⁴ x 3³

• 2² x 6²

Find the prime factorization of 120.

• 3 x  5 x  8

• 2³ x 3 x  5

• 2² x  3 x  5

• 2  x  3²  x   5

What is the prime factorization of 100,000?

• 2 x 5 x 0

• 2 ^ 5 x 5 ^ 2

• 2 ^ 5 x 5 ^ 5

• 2 x 3 x 4 x 5

Match the prime factorization to each number.

• 111

• 
• 81

• 
• 1000

• 
• 26

• 
• 200

• 

Which of these are factors of 49

• 1

• 8

• 7

• None of above