Q: What are the prime factors of the number 404,832?

 A: 2, 3, 4217

Why are those the prime factors of the number 404,832?

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 404,832

404,832
Factor Arrows
2202,416
Factor Arrows
2101,208
Factor Arrows
250,604
Factor Arrows
225,302
Factor Arrows
212,651
Factor Arrows
34,217

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, 4217

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 4,217 = 404,832

This can also be written as 25 x 31 x 4,2171 = 404,832

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


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