Q: What are the prime factors of the number 232,640?

 A: 2, 5, 727

Why are those the prime factors of the number 232,640?

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 232,640

232,640
Factor Arrows
2116,320
Factor Arrows
258,160
Factor Arrows
229,080
Factor Arrows
214,540
Factor Arrows
27,270
Factor Arrows
23,635
Factor Arrows
5727

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, 5, 727

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 5 x 727 = 232,640

This can also be written as 26 x 51 x 7271 = 232,640

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


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