Q: What are the prime factors of the number 14,001,664?

 A: 2, 23, 29, 41

Why are those the prime factors of the number 14,001,664?

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 14,001,664

14,001,664
Factor Arrows
27,000,832
Factor Arrows
23,500,416
Factor Arrows
21,750,208
Factor Arrows
2875,104
Factor Arrows
2437,552
Factor Arrows
2218,776
Factor Arrows
2109,388
Factor Arrows
254,694
Factor Arrows
227,347
Factor Arrows
231,189
Factor Arrows
2941

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, 23, 29, 41

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 23 x 29 x 41 = 14,001,664

This can also be written as 29 x 231 x 291 x 411 = 14,001,664

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


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