Prime Factorization of 180 | Math with Mr. J

What does it mean to find the prime factorization of a number?

• To add all the factors of a number.

• To break a number down into its prime factors that multiply to equal the original number.

• To find the largest factor of a number.

• To divide a number by 2 until you can't anymore.

When finding the prime factorization of 180, which pair of numbers could be the first step in breaking it down?

• 2 and 90

• 3 and 60

• 4 and 45

• All of the above

Which of these numbers is a prime factor of 180, as shown in the factorization process?

• 60

• 30

• 5

• 180

What is the complete prime factorization of 180?

• 2 × 3 × 5

• 2 × 2 × 3 × 3 × 5

• 2 × 2 × 3 × 5 × 5

• 3 × 3 × 5 × 5