Q: What are the prime factors of the number 5,427,200?

 A: 2, 5, 53

Why are those the prime factors of the number 5,427,200?

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 5,427,200

5,427,200
Factor Arrows
22,713,600
Factor Arrows
21,356,800
Factor Arrows
2678,400
Factor Arrows
2339,200
Factor Arrows
2169,600
Factor Arrows
284,800
Factor Arrows
242,400
Factor Arrows
221,200
Factor Arrows
210,600
Factor Arrows
25,300
Factor Arrows
22,650
Factor Arrows
21,325
Factor Arrows
5265
Factor Arrows
553

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, 53

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 2 x 2 x 5 x 5 x 53 = 5,427,200

This can also be written as 212 x 52 x 531 = 5,427,200

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


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