Q: What are the prime factors of the number 20,513,883?

 A: 3, 13, 17, 30941

Why are those the prime factors of the number 20,513,883?

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 20,513,883

20,513,883
Factor Arrows
36,837,961
Factor Arrows
13525,997
Factor Arrows
1730,941

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, 13, 17, 30941

We can check our work by multiplying all of the prime factors together: 3 x 13 x 17 x 30,941 = 20,513,883

This can also be written as 31 x 131 x 171 x 30,9411 = 20,513,883

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


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