Q: What are the prime factors of the number 213,320,807?

 A: 7, 43, 89, 7963

Why are those the prime factors of the number 213,320,807?

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 213,320,807

213,320,807
Factor Arrows
730,474,401
Factor Arrows
43708,707
Factor Arrows
897,963

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:

7, 43, 89, 7963

We can check our work by multiplying all of the prime factors together: 7 x 43 x 89 x 7,963 = 213,320,807

This can also be written as 71 x 431 x 891 x 7,9631 = 213,320,807

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


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