Q: What are the prime factors of the number 406,410,993?

 A: 3, 17, 885427

Why are those the prime factors of the number 406,410,993?

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 406,410,993

406,410,993
Factor Arrows
3135,470,331
Factor Arrows
345,156,777
Factor Arrows
315,052,259
Factor Arrows
17885,427

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, 17, 885427

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 17 x 885,427 = 406,410,993

This can also be written as 33 x 171 x 885,4271 = 406,410,993

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


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