Q: What are the prime factors of the number 283,728?

 A: 2, 3, 23, 257

Why are those the prime factors of the number 283,728?

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 283,728

283,728
Factor Arrows
2141,864
Factor Arrows
270,932
Factor Arrows
235,466
Factor Arrows
217,733
Factor Arrows
35,911
Factor Arrows
23257

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, 257

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 23 x 257 = 283,728

This can also be written as 24 x 31 x 231 x 2571 = 283,728

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


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