Q: What are the prime factors of the number 173,394,594?

 A: 2, 3, 17, 31, 677

Why are those the prime factors of the number 173,394,594?

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 173,394,594

173,394,594
Factor Arrows
286,697,297
Factor Arrows
328,899,099
Factor Arrows
39,633,033
Factor Arrows
33,211,011
Factor Arrows
31,070,337
Factor Arrows
3356,779
Factor Arrows
1720,987
Factor Arrows
31677

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, 17, 31, 677

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 17 x 31 x 677 = 173,394,594

This can also be written as 21 x 35 x 171 x 311 x 6771 = 173,394,594

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


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