Q: What are the prime factors of the number 11,034,309?

 A: 3, 11, 13, 17, 89

Why are those the prime factors of the number 11,034,309?

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 11,034,309

11,034,309
Factor Arrows
33,678,103
Factor Arrows
11334,373
Factor Arrows
1325,721
Factor Arrows
171,513
Factor Arrows
1789

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, 13, 17, 89

We can check our work by multiplying all of the prime factors together: 3 x 11 x 13 x 17 x 17 x 89 = 11,034,309

This can also be written as 31 x 111 x 131 x 172 x 891 = 11,034,309

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


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