Q: What are the prime factors of the number 563,021,508?

 A: 2, 3, 7, 23, 291419

Why are those the prime factors of the number 563,021,508?

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 563,021,508

563,021,508
Factor Arrows
2281,510,754
Factor Arrows
2140,755,377
Factor Arrows
346,918,459
Factor Arrows
76,702,637
Factor Arrows
23291,419

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, 23, 291419

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 23 x 291,419 = 563,021,508

This can also be written as 22 x 31 x 71 x 231 x 291,4191 = 563,021,508

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


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