Q: What are the prime factors of the number 120,213,231?

Why are those the prime factors of the number 120,213,231?

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 120,213,231

	120,213,231
3		40,071,077
	3,371		11,887

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:

3, 3371, 11887

We can check our work by multiplying all of the prime factors together: 3 x 3,371 x 11,887 = 120,213,231

This can also be written as 3¹ x 3,371¹ x 11,887¹ = 120,213,231

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

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