Q: What are the prime factors of the number 579,488?

 A: 2, 7, 13, 199

Why are those the prime factors of the number 579,488?

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 579,488

579,488
Factor Arrows
2289,744
Factor Arrows
2144,872
Factor Arrows
272,436
Factor Arrows
236,218
Factor Arrows
218,109
Factor Arrows
72,587
Factor Arrows
13199

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, 7, 13, 199

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 13 x 199 = 579,488

This can also be written as 25 x 71 x 131 x 1991 = 579,488

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


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