Q: What are the prime factors of the number 508,578?

 A: 2, 3, 7, 12109

Why are those the prime factors of the number 508,578?

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 508,578

508,578
Factor Arrows
2254,289
Factor Arrows
384,763
Factor Arrows
712,109

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, 7, 12109

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 12,109 = 508,578

This can also be written as 21 x 31 x 71 x 12,1091 = 508,578

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


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