Q: What are the prime factors of the number 170,802?

 A: 2, 3, 3163

Why are those the prime factors of the number 170,802?

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 170,802

170,802
Factor Arrows
285,401
Factor Arrows
328,467
Factor Arrows
39,489
Factor Arrows
33,163

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, 3163

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3,163 = 170,802

This can also be written as 21 x 33 x 3,1631 = 170,802

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


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