Q: What are the prime factors of the number 310,423,399?

 A: 11, 13, 101, 21493

Why are those the prime factors of the number 310,423,399?

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 310,423,399

310,423,399
Factor Arrows
1128,220,309
Factor Arrows
132,170,793
Factor Arrows
10121,493

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:

11, 13, 101, 21493

We can check our work by multiplying all of the prime factors together: 11 x 13 x 101 x 21,493 = 310,423,399

This can also be written as 111 x 131 x 1011 x 21,4931 = 310,423,399

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


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