Q: What are the prime factors of the number 11,510,144?

 A: 2, 89923

Why are those the prime factors of the number 11,510,144?

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 11,510,144

11,510,144
Factor Arrows
25,755,072
Factor Arrows
22,877,536
Factor Arrows
21,438,768
Factor Arrows
2719,384
Factor Arrows
2359,692
Factor Arrows
2179,846
Factor Arrows
289,923

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, 89923

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 89,923 = 11,510,144

This can also be written as 27 x 89,9231 = 11,510,144

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


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