Q: What are the prime factors of the number 579,717?

 A: 3, 17, 421

Why are those the prime factors of the number 579,717?

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 579,717

579,717
Factor Arrows
3193,239
Factor Arrows
364,413
Factor Arrows
321,471
Factor Arrows
37,157
Factor Arrows
17421

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:

3, 17, 421

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 17 x 421 = 579,717

This can also be written as 34 x 171 x 4211 = 579,717

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


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