Prime Factorisation

Find the prime factorization of 75 in exponential form.

• 3 × 5²

• 3² × 5

• 5 × 15

• 3² × 5²

What is the prime factorization of 20 written in exponential notation?

• 2 x 5

• 1 x 20

• 2 x 10

• 2² x 5

The following prime factorization represents which number:  2² x 3 x 7

• 14

• 84

• 42

• 70

2 x 2 x 2 is the prime factorization of...

• 6

• 12

• 22

• 8

Which is the prime factorization of 12 ? 

• 2 x 6

• 2 + 2 + 2 + 2 + 2 + 2 

• 2² x 3

• 1 x 2² x 3

Use a factor tree to find the prime factorization of 72

• 2³ x 3²

• 2 x 3² x 4

• 2⁴ x 3³
  

• 2² x 6²
  

Create a factor tree and find the prime factorization for 80

• 4² ⋅ 5

• 2⁴ ⋅ 5

• 2 ⋅ 2 ⋅ 2

• 8 ⋅ 5 ⋅ 2

What are the prime factors of 27?

• 3x3x3

• 3x2x3

• 3x3x4

2 x 2 x 5 is the prime factorization for which number?

• 20

• 25

• 100

2 x 3 x 5 is the prime factorization for which number?

• 35

• 30