Q: What are the prime factors of the number 14,585,920?

 A: 2, 5, 19, 2399

Why are those the prime factors of the number 14,585,920?

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 14,585,920

14,585,920
Factor Arrows
27,292,960
Factor Arrows
23,646,480
Factor Arrows
21,823,240
Factor Arrows
2911,620
Factor Arrows
2455,810
Factor Arrows
2227,905
Factor Arrows
545,581
Factor Arrows
192,399

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, 5, 19, 2399

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 5 x 19 x 2,399 = 14,585,920

This can also be written as 26 x 51 x 191 x 2,3991 = 14,585,920

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


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