Q: What are the prime factors of the number 16,891,743?

 A: 3, 11, 293, 1747

Why are those the prime factors of the number 16,891,743?

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 16,891,743

16,891,743
Factor Arrows
35,630,581
Factor Arrows
11511,871
Factor Arrows
2931,747

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, 11, 293, 1747

We can check our work by multiplying all of the prime factors together: 3 x 11 x 293 x 1,747 = 16,891,743

This can also be written as 31 x 111 x 2931 x 1,7471 = 16,891,743

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


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