Q: What are the prime factors of the number 174,816?

 A: 2, 3, 607

Why are those the prime factors of the number 174,816?

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 174,816

174,816
Factor Arrows
287,408
Factor Arrows
243,704
Factor Arrows
221,852
Factor Arrows
210,926
Factor Arrows
25,463
Factor Arrows
31,821
Factor Arrows
3607

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, 607

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 607 = 174,816

This can also be written as 25 x 32 x 6071 = 174,816

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


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