Q: What are the prime factors of the number 12,722,754?

 A: 2, 3, 11, 43, 4483

Why are those the prime factors of the number 12,722,754?

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 12,722,754

12,722,754
Factor Arrows
26,361,377
Factor Arrows
32,120,459
Factor Arrows
11192,769
Factor Arrows
434,483

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, 11, 43, 4483

We can check our work by multiplying all of the prime factors together: 2 x 3 x 11 x 43 x 4,483 = 12,722,754

This can also be written as 21 x 31 x 111 x 431 x 4,4831 = 12,722,754

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


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