Q: What are the prime factors of the number 81,951?

Why are those the prime factors of the number 81,951?

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 81,951

	81,951
3		27,317
	59		463

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, 59, 463

We can check our work by multiplying all of the prime factors together: 3 x 59 x 463 = 81,951

This can also be written as 3¹ x 59¹ x 463¹ = 81,951

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

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