Q: What are the prime factors of the number 16,606?

 A: 2, 19, 23

Why are those the prime factors of the number 16,606?

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 16,606

16,606
Factor Arrows
28,303
Factor Arrows
19437
Factor Arrows
1923

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, 19, 23

We can check our work by multiplying all of the prime factors together: 2 x 19 x 19 x 23 = 16,606

This can also be written as 21 x 192 x 231 = 16,606

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


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