Q: What are the prime factors of the number 204,136?

 A: 2, 17, 19, 79

Why are those the prime factors of the number 204,136?

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 204,136

204,136
Factor Arrows
2102,068
Factor Arrows
251,034
Factor Arrows
225,517
Factor Arrows
171,501
Factor Arrows
1979

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, 17, 19, 79

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 17 x 19 x 79 = 204,136

This can also be written as 23 x 171 x 191 x 791 = 204,136

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


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