Q: What are the prime factors of the number 812,631,005?

 A: 5, 83, 863, 2269

Why are those the prime factors of the number 812,631,005?

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 812,631,005

812,631,005
Factor Arrows
5162,526,201
Factor Arrows
831,958,147
Factor Arrows
8632,269

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:

5, 83, 863, 2269

We can check our work by multiplying all of the prime factors together: 5 x 83 x 863 x 2,269 = 812,631,005

This can also be written as 51 x 831 x 8631 x 2,2691 = 812,631,005

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


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