Q: What are the prime factors of the number 311,354,547?

 A: 3, 7, 317, 46771

Why are those the prime factors of the number 311,354,547?

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 311,354,547

311,354,547
Factor Arrows
3103,784,849
Factor Arrows
714,826,407
Factor Arrows
31746,771

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:

3, 7, 317, 46771

We can check our work by multiplying all of the prime factors together: 3 x 7 x 317 x 46,771 = 311,354,547

This can also be written as 31 x 71 x 3171 x 46,7711 = 311,354,547

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


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