Q: What are the prime factors of the number 16,826,175?

 A: 3, 5, 17, 53, 83

Why are those the prime factors of the number 16,826,175?

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 16,826,175

16,826,175
Factor Arrows
35,608,725
Factor Arrows
31,869,575
Factor Arrows
5373,915
Factor Arrows
574,783
Factor Arrows
174,399
Factor Arrows
5383

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, 5, 17, 53, 83

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 5 x 17 x 53 x 83 = 16,826,175

This can also be written as 32 x 52 x 171 x 531 x 831 = 16,826,175

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


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