Q: What are the prime factors of the number 431,325,540?

 A: 2, 3, 5, 798751

Why are those the prime factors of the number 431,325,540?

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 431,325,540

431,325,540
Factor Arrows
2215,662,770
Factor Arrows
2107,831,385
Factor Arrows
335,943,795
Factor Arrows
311,981,265
Factor Arrows
33,993,755
Factor Arrows
5798,751

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:

2, 3, 5, 798751

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 5 x 798,751 = 431,325,540

This can also be written as 22 x 33 x 51 x 798,7511 = 431,325,540

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


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