Q: What are the prime factors of the number 173,412,732?

 A: 2, 3, 23, 263, 2389

Why are those the prime factors of the number 173,412,732?

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 173,412,732

173,412,732
Factor Arrows
286,706,366
Factor Arrows
243,353,183
Factor Arrows
314,451,061
Factor Arrows
23628,307
Factor Arrows
2632,389

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, 23, 263, 2389

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 23 x 263 x 2,389 = 173,412,732

This can also be written as 22 x 31 x 231 x 2631 x 2,3891 = 173,412,732

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


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