Q: What are the prime factors of the number 11,004,021?

 A: 3, 7, 19, 29, 317

Why are those the prime factors of the number 11,004,021?

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 11,004,021

11,004,021
Factor Arrows
33,668,007
Factor Arrows
31,222,669
Factor Arrows
7174,667
Factor Arrows
199,193
Factor Arrows
29317

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, 7, 19, 29, 317

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 19 x 29 x 317 = 11,004,021

This can also be written as 32 x 71 x 191 x 291 x 3171 = 11,004,021

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


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