Q: What are the prime factors of the number 56,800?

 A: 2, 5, 71

Why are those the prime factors of the number 56,800?

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 56,800

56,800
Factor Arrows
228,400
Factor Arrows
214,200
Factor Arrows
27,100
Factor Arrows
23,550
Factor Arrows
21,775
Factor Arrows
5355
Factor Arrows
571

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, 71

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 5 x 71 = 56,800

This can also be written as 25 x 52 x 711 = 56,800

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


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