Q: What are the prime factors of the number 18,263,313?

 A: 3, 19, 11867

Why are those the prime factors of the number 18,263,313?

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 18,263,313

18,263,313
Factor Arrows
36,087,771
Factor Arrows
32,029,257
Factor Arrows
3676,419
Factor Arrows
3225,473
Factor Arrows
1911,867

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:

3, 19, 11867

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 19 x 11,867 = 18,263,313

This can also be written as 34 x 191 x 11,8671 = 18,263,313

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


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