Q: What are the prime factors of the number 20,082,825?

 A: 3, 5, 7, 41, 311

Why are those the prime factors of the number 20,082,825?

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 20,082,825

20,082,825
Factor Arrows
36,694,275
Factor Arrows
32,231,425
Factor Arrows
5446,285
Factor Arrows
589,257
Factor Arrows
712,751
Factor Arrows
41311

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, 5, 7, 41, 311

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 5 x 7 x 41 x 311 = 20,082,825

This can also be written as 32 x 52 x 71 x 411 x 3111 = 20,082,825

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


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