Q: What are the prime factors of the number 13,482,560?

 A: 2, 5, 7, 13, 463

Why are those the prime factors of the number 13,482,560?

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 13,482,560

13,482,560
Factor Arrows
26,741,280
Factor Arrows
23,370,640
Factor Arrows
21,685,320
Factor Arrows
2842,660
Factor Arrows
2421,330
Factor Arrows
2210,665
Factor Arrows
542,133
Factor Arrows
76,019
Factor Arrows
13463

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, 7, 13, 463

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 7 x 13 x 463 = 13,482,560

This can also be written as 26 x 51 x 71 x 131 x 4631 = 13,482,560

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


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