Q: What are the prime factors of the number 15,083,523?

 A: 3, 7, 13, 877

Why are those the prime factors of the number 15,083,523?

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 15,083,523

15,083,523
Factor Arrows
35,027,841
Factor Arrows
31,675,947
Factor Arrows
3558,649
Factor Arrows
779,807
Factor Arrows
711,401
Factor Arrows
13877

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, 7, 13, 877

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 7 x 7 x 13 x 877 = 15,083,523

This can also be written as 33 x 72 x 131 x 8771 = 15,083,523

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


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