Q: What are the prime factors of the number 11,204,224?

 A: 2, 17, 19, 271

Why are those the prime factors of the number 11,204,224?

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 11,204,224

11,204,224
Factor Arrows
25,602,112
Factor Arrows
22,801,056
Factor Arrows
21,400,528
Factor Arrows
2700,264
Factor Arrows
2350,132
Factor Arrows
2175,066
Factor Arrows
287,533
Factor Arrows
175,149
Factor Arrows
19271

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, 19, 271

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 17 x 19 x 271 = 11,204,224

This can also be written as 27 x 171 x 191 x 2711 = 11,204,224

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


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