Q: What are the prime factors of the number 576,928?

 A: 2, 11, 149

Why are those the prime factors of the number 576,928?

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 576,928

576,928
Factor Arrows
2288,464
Factor Arrows
2144,232
Factor Arrows
272,116
Factor Arrows
236,058
Factor Arrows
218,029
Factor Arrows
111,639
Factor Arrows
11149

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, 11, 149

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 11 x 11 x 149 = 576,928

This can also be written as 25 x 112 x 1491 = 576,928

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


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