Q: What are the prime factors of the number 108,704?

 A: 2, 43, 79

Why are those the prime factors of the number 108,704?

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 108,704

108,704
Factor Arrows
254,352
Factor Arrows
227,176
Factor Arrows
213,588
Factor Arrows
26,794
Factor Arrows
23,397
Factor Arrows
4379

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, 43, 79

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 43 x 79 = 108,704

This can also be written as 25 x 431 x 791 = 108,704

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


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