Q: What are the prime factors of the number 858,832?

 A: 2, 13, 4129

Why are those the prime factors of the number 858,832?

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 858,832

858,832
Factor Arrows
2429,416
Factor Arrows
2214,708
Factor Arrows
2107,354
Factor Arrows
253,677
Factor Arrows
134,129

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, 13, 4129

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 13 x 4,129 = 858,832

This can also be written as 24 x 131 x 4,1291 = 858,832

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


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