Q: What are the prime factors of the number 11,103,584?

 A: 2, 17, 20411

Why are those the prime factors of the number 11,103,584?

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 11,103,584

11,103,584
Factor Arrows
25,551,792
Factor Arrows
22,775,896
Factor Arrows
21,387,948
Factor Arrows
2693,974
Factor Arrows
2346,987
Factor Arrows
1720,411

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, 17, 20411

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 17 x 20,411 = 11,103,584

This can also be written as 25 x 171 x 20,4111 = 11,103,584

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


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