Q: What are the prime factors of the number 188,727?

 A: 3, 7, 11, 19, 43

Why are those the prime factors of the number 188,727?

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 188,727

188,727
Factor Arrows
362,909
Factor Arrows
78,987
Factor Arrows
11817
Factor Arrows
1943

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:

3, 7, 11, 19, 43

We can check our work by multiplying all of the prime factors together: 3 x 7 x 11 x 19 x 43 = 188,727

This can also be written as 31 x 71 x 111 x 191 x 431 = 188,727

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


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