Q: What are the prime factors of the number 259,117,815?

 A: 3, 5, 11, 47, 33413

Why are those the prime factors of the number 259,117,815?

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 259,117,815

259,117,815
Factor Arrows
386,372,605
Factor Arrows
517,274,521
Factor Arrows
111,570,411
Factor Arrows
4733,413

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, 5, 11, 47, 33413

We can check our work by multiplying all of the prime factors together: 3 x 5 x 11 x 47 x 33,413 = 259,117,815

This can also be written as 31 x 51 x 111 x 471 x 33,4131 = 259,117,815

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


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