Q: What are the prime factors of the number 52,800?

 A: 2, 3, 5, 11

Why are those the prime factors of the number 52,800?

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 52,800

52,800
Factor Arrows
226,400
Factor Arrows
213,200
Factor Arrows
26,600
Factor Arrows
23,300
Factor Arrows
21,650
Factor Arrows
2825
Factor Arrows
3275
Factor Arrows
555
Factor Arrows
511

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, 11

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 3 x 5 x 5 x 11 = 52,800

This can also be written as 26 x 31 x 52 x 111 = 52,800

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


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