Q: What are the prime factors of the number 19,810,683?

 A: 3, 29, 25301

Why are those the prime factors of the number 19,810,683?

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 19,810,683

19,810,683
Factor Arrows
36,603,561
Factor Arrows
32,201,187
Factor Arrows
3733,729
Factor Arrows
2925,301

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, 29, 25301

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 29 x 25,301 = 19,810,683

This can also be written as 33 x 291 x 25,3011 = 19,810,683

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


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