Q: What are the prime factors of the number 160,704?

 A: 2, 3, 31

Why are those the prime factors of the number 160,704?

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 160,704

160,704
Factor Arrows
280,352
Factor Arrows
240,176
Factor Arrows
220,088
Factor Arrows
210,044
Factor Arrows
25,022
Factor Arrows
22,511
Factor Arrows
3837
Factor Arrows
3279
Factor Arrows
393
Factor Arrows
331

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, 31

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 3 x 3 x 3 x 3 x 31 = 160,704

This can also be written as 26 x 34 x 311 = 160,704

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


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