Q: What are the prime factors of the number 30,804?

 A: 2, 3, 17, 151

Why are those the prime factors of the number 30,804?

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 30,804

30,804
Factor Arrows
215,402
Factor Arrows
27,701
Factor Arrows
32,567
Factor Arrows
17151

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, 17, 151

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 17 x 151 = 30,804

This can also be written as 22 x 31 x 171 x 1511 = 30,804

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


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