Q: What are the prime factors of the number 30,665,312?

 A: 2, 317, 3023

Why are those the prime factors of the number 30,665,312?

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 30,665,312

30,665,312
Factor Arrows
215,332,656
Factor Arrows
27,666,328
Factor Arrows
23,833,164
Factor Arrows
21,916,582
Factor Arrows
2958,291
Factor Arrows
3173,023

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, 317, 3023

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 317 x 3,023 = 30,665,312

This can also be written as 25 x 3171 x 3,0231 = 30,665,312

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


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