What is the prime factorization of 90?

1 Answer
Apr 7, 2016

Answer:

2,3,3,5

Explanation:

Using the smallest prime, 2, divide 90. #90/2=45#

The smallest prime will not go into 45, so divide by the next smallest prime, 3. #45/3=15#

But 15 is also divisible by 3, so divide again. #15/3=5#

5 is a prime number, so the prime factors of 90 are... 2x3x3x5