Q: What are the prime factors of the number 16,957,026?

 A: 2, 3, 23, 37, 41

Why are those the prime factors of the number 16,957,026?

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 16,957,026

16,957,026
Factor Arrows
28,478,513
Factor Arrows
32,826,171
Factor Arrows
3942,057
Factor Arrows
3314,019
Factor Arrows
3104,673
Factor Arrows
334,891
Factor Arrows
231,517
Factor Arrows
3741

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, 23, 37, 41

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 23 x 37 x 41 = 16,957,026

This can also be written as 21 x 35 x 231 x 371 x 411 = 16,957,026

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


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