Q: What are the prime factors of the number 373,728?

 A: 2, 3, 17, 229

Why are those the prime factors of the number 373,728?

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 373,728

373,728
Factor Arrows
2186,864
Factor Arrows
293,432
Factor Arrows
246,716
Factor Arrows
223,358
Factor Arrows
211,679
Factor Arrows
33,893
Factor Arrows
17229

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, 229

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 17 x 229 = 373,728

This can also be written as 25 x 31 x 171 x 2291 = 373,728

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


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