Q: What are the prime factors of the number 27,330?

 A: 2, 3, 5, 911

Why are those the prime factors of the number 27,330?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 27,330

27,330
Factor Arrows
213,665
Factor Arrows
34,555
Factor Arrows
5911

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 3, 5, 911

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 911 = 27,330

This can also be written as 21 x 31 x 51 x 9111 = 27,330

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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