Q: What are the prime factors of the number 11,507,859?

 A: 3, 11, 38747

Why are those the prime factors of the number 11,507,859?

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 11,507,859

11,507,859
Factor Arrows
33,835,953
Factor Arrows
31,278,651
Factor Arrows
3426,217
Factor Arrows
1138,747

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, 11, 38747

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 11 x 38,747 = 11,507,859

This can also be written as 33 x 111 x 38,7471 = 11,507,859

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


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