Q: What are the prime factors of the number 12,966,804?

 A: 2, 3, 31, 1291

Why are those the prime factors of the number 12,966,804?

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 12,966,804

12,966,804
Factor Arrows
26,483,402
Factor Arrows
23,241,701
Factor Arrows
31,080,567
Factor Arrows
3360,189
Factor Arrows
3120,063
Factor Arrows
340,021
Factor Arrows
311,291

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, 3, 31, 1291

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 31 x 1,291 = 12,966,804

This can also be written as 22 x 34 x 311 x 1,2911 = 12,966,804

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


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