Q: What are the prime factors of the number 12,043,136?

 A: 2, 7, 13441

Why are those the prime factors of the number 12,043,136?

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 12,043,136

12,043,136
Factor Arrows
26,021,568
Factor Arrows
23,010,784
Factor Arrows
21,505,392
Factor Arrows
2752,696
Factor Arrows
2376,348
Factor Arrows
2188,174
Factor Arrows
294,087
Factor Arrows
713,441

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, 7, 13441

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 7 x 13,441 = 12,043,136

This can also be written as 27 x 71 x 13,4411 = 12,043,136

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


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