Q: What are the prime factors of the number 479,616?

 A: 2, 3, 1249

Why are those the prime factors of the number 479,616?

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 479,616

479,616
Factor Arrows
2239,808
Factor Arrows
2119,904
Factor Arrows
259,952
Factor Arrows
229,976
Factor Arrows
214,988
Factor Arrows
27,494
Factor Arrows
23,747
Factor Arrows
31,249

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, 3, 1249

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 3 x 1,249 = 479,616

This can also be written as 27 x 31 x 1,2491 = 479,616

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


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