Q: What are the prime factors of the number 12,231,200?

 A: 2, 5, 15289

Why are those the prime factors of the number 12,231,200?

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 12,231,200

12,231,200
Factor Arrows
26,115,600
Factor Arrows
23,057,800
Factor Arrows
21,528,900
Factor Arrows
2764,450
Factor Arrows
2382,225
Factor Arrows
576,445
Factor Arrows
515,289

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, 15289

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 15,289 = 12,231,200

This can also be written as 25 x 52 x 15,2891 = 12,231,200

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


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