Q: What are the prime factors of the number 310,642,371?

 A: 3, 13, 295007

Why are those the prime factors of the number 310,642,371?

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 310,642,371

310,642,371
Factor Arrows
3103,547,457
Factor Arrows
334,515,819
Factor Arrows
311,505,273
Factor Arrows
33,835,091
Factor Arrows
13295,007

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, 13, 295007

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 13 x 295,007 = 310,642,371

This can also be written as 34 x 131 x 295,0071 = 310,642,371

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


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