Q: What are the prime factors of the number 12,806,125?

 A: 5, 53, 1933

Why are those the prime factors of the number 12,806,125?

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 12,806,125

12,806,125
Factor Arrows
52,561,225
Factor Arrows
5512,245
Factor Arrows
5102,449
Factor Arrows
531,933

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:

5, 53, 1933

We can check our work by multiplying all of the prime factors together: 5 x 5 x 5 x 53 x 1,933 = 12,806,125

This can also be written as 53 x 531 x 1,9331 = 12,806,125

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


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