Q: What are the prime factors of the number 513,855,330?

 A: 2, 3, 5, 409, 41879

Why are those the prime factors of the number 513,855,330?

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 513,855,330

513,855,330
Factor Arrows
2256,927,665
Factor Arrows
385,642,555
Factor Arrows
517,128,511
Factor Arrows
40941,879

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, 409, 41879

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 409 x 41,879 = 513,855,330

This can also be written as 21 x 31 x 51 x 4091 x 41,8791 = 513,855,330

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


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