Q: What are the prime factors of the number 11,430,656?

 A: 2, 44651

Why are those the prime factors of the number 11,430,656?

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 11,430,656

11,430,656
Factor Arrows
25,715,328
Factor Arrows
22,857,664
Factor Arrows
21,428,832
Factor Arrows
2714,416
Factor Arrows
2357,208
Factor Arrows
2178,604
Factor Arrows
289,302
Factor Arrows
244,651

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, 44651

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 44,651 = 11,430,656

This can also be written as 28 x 44,6511 = 11,430,656

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


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