Q: What are the prime factors of the number 579,712?

 A: 2, 7, 647

Why are those the prime factors of the number 579,712?

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 579,712

579,712
Factor Arrows
2289,856
Factor Arrows
2144,928
Factor Arrows
272,464
Factor Arrows
236,232
Factor Arrows
218,116
Factor Arrows
29,058
Factor Arrows
24,529
Factor Arrows
7647

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, 647

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 7 x 647 = 579,712

This can also be written as 27 x 71 x 6471 = 579,712

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


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