Q: What are the prime factors of the number 23,728?

 A: 2, 1483

Why are those the prime factors of the number 23,728?

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 23,728

23,728
Factor Arrows
211,864
Factor Arrows
25,932
Factor Arrows
22,966
Factor Arrows
21,483

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, 1483

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 1,483 = 23,728

This can also be written as 24 x 1,4831 = 23,728

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


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