Q: What are the prime factors of the number 330,904?

 A: 2, 7, 19, 311

Why are those the prime factors of the number 330,904?

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 330,904

330,904
Factor Arrows
2165,452
Factor Arrows
282,726
Factor Arrows
241,363
Factor Arrows
75,909
Factor Arrows
19311

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, 7, 19, 311

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 19 x 311 = 330,904

This can also be written as 23 x 71 x 191 x 3111 = 330,904

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


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