Q: What are the prime factors of the number 12,807,616?

 A: 2, 293, 683

Why are those the prime factors of the number 12,807,616?

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 12,807,616

12,807,616
Factor Arrows
26,403,808
Factor Arrows
23,201,904
Factor Arrows
21,600,952
Factor Arrows
2800,476
Factor Arrows
2400,238
Factor Arrows
2200,119
Factor Arrows
293683

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, 293, 683

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 293 x 683 = 12,807,616

This can also be written as 26 x 2931 x 6831 = 12,807,616

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


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