Q: What are the prime factors of the number 11,003,685?

 A: 3, 5, 7, 11, 1361

Why are those the prime factors of the number 11,003,685?

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 11,003,685

11,003,685
Factor Arrows
33,667,895
Factor Arrows
5733,579
Factor Arrows
7104,797
Factor Arrows
714,971
Factor Arrows
111,361

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, 5, 7, 11, 1361

We can check our work by multiplying all of the prime factors together: 3 x 5 x 7 x 7 x 11 x 1,361 = 11,003,685

This can also be written as 31 x 51 x 72 x 111 x 1,3611 = 11,003,685

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


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