Q: What are the prime factors of the number 363,728?

 A: 2, 127, 179

Why are those the prime factors of the number 363,728?

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 363,728

363,728
Factor Arrows
2181,864
Factor Arrows
290,932
Factor Arrows
245,466
Factor Arrows
222,733
Factor Arrows
127179

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, 127, 179

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 127 x 179 = 363,728

This can also be written as 24 x 1271 x 1791 = 363,728

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


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