Q: What are the prime factors of the number 28,482,560?

 A: 2, 5, 5563

Why are those the prime factors of the number 28,482,560?

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 28,482,560

28,482,560
Factor Arrows
214,241,280
Factor Arrows
27,120,640
Factor Arrows
23,560,320
Factor Arrows
21,780,160
Factor Arrows
2890,080
Factor Arrows
2445,040
Factor Arrows
2222,520
Factor Arrows
2111,260
Factor Arrows
255,630
Factor Arrows
227,815
Factor Arrows
55,563

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, 5563

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 2 x 5 x 5,563 = 28,482,560

This can also be written as 210 x 51 x 5,5631 = 28,482,560

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


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