Q: What are the prime factors of the number 11,030,640?

 A: 2, 3, 5, 19, 41, 59

Why are those the prime factors of the number 11,030,640?

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 11,030,640

11,030,640
Factor Arrows
25,515,320
Factor Arrows
22,757,660
Factor Arrows
21,378,830
Factor Arrows
2689,415
Factor Arrows
3229,805
Factor Arrows
545,961
Factor Arrows
192,419
Factor Arrows
4159

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:

2, 3, 5, 19, 41, 59

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 19 x 41 x 59 = 11,030,640

This can also be written as 24 x 31 x 51 x 191 x 411 x 591 = 11,030,640

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


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