Q: What are the prime factors of the number 12,071,936?

 A: 2, 11789

Why are those the prime factors of the number 12,071,936?

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 12,071,936

12,071,936
Factor Arrows
26,035,968
Factor Arrows
23,017,984
Factor Arrows
21,508,992
Factor Arrows
2754,496
Factor Arrows
2377,248
Factor Arrows
2188,624
Factor Arrows
294,312
Factor Arrows
247,156
Factor Arrows
223,578
Factor Arrows
211,789

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:

2, 11789

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 2 x 2 x 2 x 11,789 = 12,071,936

This can also be written as 210 x 11,7891 = 12,071,936

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


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