Q: What are the prime factors of the number 12,660,768?

 A: 2, 3, 43961

Why are those the prime factors of the number 12,660,768?

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 12,660,768

12,660,768
Factor Arrows
26,330,384
Factor Arrows
23,165,192
Factor Arrows
21,582,596
Factor Arrows
2791,298
Factor Arrows
2395,649
Factor Arrows
3131,883
Factor Arrows
343,961

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, 43961

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 43,961 = 12,660,768

This can also be written as 25 x 32 x 43,9611 = 12,660,768

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


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