Q: What are the prime factors of the number 13,277,331?

 A: 3, 29, 31, 547

Why are those the prime factors of the number 13,277,331?

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 13,277,331

13,277,331
Factor Arrows
34,425,777
Factor Arrows
31,475,259
Factor Arrows
3491,753
Factor Arrows
2916,957
Factor Arrows
31547

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:

3, 29, 31, 547

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 29 x 31 x 547 = 13,277,331

This can also be written as 33 x 291 x 311 x 5471 = 13,277,331

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


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