Q: What are the prime factors of the number 16,910,517?

 A: 3, 13, 37, 11719

Why are those the prime factors of the number 16,910,517?

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 16,910,517

16,910,517
Factor Arrows
35,636,839
Factor Arrows
13433,603
Factor Arrows
3711,719

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, 13, 37, 11719

We can check our work by multiplying all of the prime factors together: 3 x 13 x 37 x 11,719 = 16,910,517

This can also be written as 31 x 131 x 371 x 11,7191 = 16,910,517

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


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