Q: What are the prime factors of the number 513,240,255?

 A: 3, 5, 11, 19, 41

Why are those the prime factors of the number 513,240,255?

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 513,240,255

513,240,255
Factor Arrows
3171,080,085
Factor Arrows
357,026,695
Factor Arrows
511,405,339
Factor Arrows
111,036,849
Factor Arrows
1194,259
Factor Arrows
118,569
Factor Arrows
11779
Factor Arrows
1941

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, 19, 41

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 11 x 11 x 11 x 11 x 19 x 41 = 513,240,255

This can also be written as 32 x 51 x 114 x 191 x 411 = 513,240,255

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


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