Q: What are the prime factors of the number 181,936?

 A: 2, 83, 137

Why are those the prime factors of the number 181,936?

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 181,936

181,936
Factor Arrows
290,968
Factor Arrows
245,484
Factor Arrows
222,742
Factor Arrows
211,371
Factor Arrows
83137

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, 83, 137

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 83 x 137 = 181,936

This can also be written as 24 x 831 x 1371 = 181,936

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


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