Q: What are the prime factors of the number 181,683?

 A: 3, 2243

Why are those the prime factors of the number 181,683?

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 181,683

181,683
Factor Arrows
360,561
Factor Arrows
320,187
Factor Arrows
36,729
Factor Arrows
32,243

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, 2243

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 2,243 = 181,683

This can also be written as 34 x 2,2431 = 181,683

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


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