Q: What are the prime factors of the number 311,323,025?

 A: 5, 13, 957917

Why are those the prime factors of the number 311,323,025?

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 311,323,025

311,323,025
Factor Arrows
562,264,605
Factor Arrows
512,452,921
Factor Arrows
13957,917

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, 13, 957917

We can check our work by multiplying all of the prime factors together: 5 x 5 x 13 x 957,917 = 311,323,025

This can also be written as 52 x 131 x 957,9171 = 311,323,025

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


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