Q: What are the prime factors of the number 11,069,541?

 A: 3, 7, 2789

Why are those the prime factors of the number 11,069,541?

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 11,069,541

11,069,541
Factor Arrows
33,689,847
Factor Arrows
31,229,949
Factor Arrows
3409,983
Factor Arrows
3136,661
Factor Arrows
719,523
Factor Arrows
72,789

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, 2789

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 7 x 7 x 2,789 = 11,069,541

This can also be written as 34 x 72 x 2,7891 = 11,069,541

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


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