Q: What are the prime factors of the number 165,486?

 A: 2, 3, 27581

Why are those the prime factors of the number 165,486?

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 165,486

165,486
Factor Arrows
282,743
Factor Arrows
327,581

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, 27581

We can check our work by multiplying all of the prime factors together: 2 x 3 x 27,581 = 165,486

This can also be written as 21 x 31 x 27,5811 = 165,486

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


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