Q: What are the prime factors of the number 12,800,565?

 A: 3, 5, 94819

Why are those the prime factors of the number 12,800,565?

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 12,800,565

12,800,565
Factor Arrows
34,266,855
Factor Arrows
31,422,285
Factor Arrows
3474,095
Factor Arrows
594,819

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:

3, 5, 94819

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 94,819 = 12,800,565

This can also be written as 33 x 51 x 94,8191 = 12,800,565

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


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