Q: What are the prime factors of the number 500,021?

 A: 17, 67, 439

Why are those the prime factors of the number 500,021?

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 500,021

500,021
Factor Arrows
1729,413
Factor Arrows
67439

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:

17, 67, 439

We can check our work by multiplying all of the prime factors together: 17 x 67 x 439 = 500,021

This can also be written as 171 x 671 x 4391 = 500,021

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


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