Q: What are the prime factors of the number 11,718,081?

 A: 3, 131, 3313

Why are those the prime factors of the number 11,718,081?

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 11,718,081

11,718,081
Factor Arrows
33,906,027
Factor Arrows
31,302,009
Factor Arrows
3434,003
Factor Arrows
1313,313

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, 131, 3313

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 131 x 3,313 = 11,718,081

This can also be written as 33 x 1311 x 3,3131 = 11,718,081

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


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