Q: What are the prime factors of the number 189,684?

 A: 2, 3, 11, 479

Why are those the prime factors of the number 189,684?

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 189,684

189,684
Factor Arrows
294,842
Factor Arrows
247,421
Factor Arrows
315,807
Factor Arrows
35,269
Factor Arrows
11479

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, 11, 479

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 11 x 479 = 189,684

This can also be written as 22 x 32 x 111 x 4791 = 189,684

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


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