Q: What are the prime factors of the number 13,887,480?

 A: 2, 3, 5, 19, 6091

Why are those the prime factors of the number 13,887,480?

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 13,887,480

13,887,480
Factor Arrows
26,943,740
Factor Arrows
23,471,870
Factor Arrows
21,735,935
Factor Arrows
3578,645
Factor Arrows
5115,729
Factor Arrows
196,091

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, 3, 5, 19, 6091

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 19 x 6,091 = 13,887,480

This can also be written as 23 x 31 x 51 x 191 x 6,0911 = 13,887,480

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


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