Q: What are the prime factors of the number 173,097?

 A: 3, 2137

Why are those the prime factors of the number 173,097?

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 173,097

173,097
Factor Arrows
357,699
Factor Arrows
319,233
Factor Arrows
36,411
Factor Arrows
32,137

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, 2137

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 2,137 = 173,097

This can also be written as 34 x 2,1371 = 173,097

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


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