Q: What are the prime factors of the number 11,545,664?

 A: 2, 13, 13877

Why are those the prime factors of the number 11,545,664?

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 11,545,664

11,545,664
Factor Arrows
25,772,832
Factor Arrows
22,886,416
Factor Arrows
21,443,208
Factor Arrows
2721,604
Factor Arrows
2360,802
Factor Arrows
2180,401
Factor Arrows
1313,877

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, 13, 13877

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 13 x 13,877 = 11,545,664

This can also be written as 26 x 131 x 13,8771 = 11,545,664

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


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