Q: What are the prime factors of the number 516,511,020?

 A: 2, 3, 5, 659, 13063

Why are those the prime factors of the number 516,511,020?

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 516,511,020

516,511,020
Factor Arrows
2258,255,510
Factor Arrows
2129,127,755
Factor Arrows
343,042,585
Factor Arrows
58,608,517
Factor Arrows
65913,063

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, 659, 13063

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 659 x 13,063 = 516,511,020

This can also be written as 22 x 31 x 51 x 6591 x 13,0631 = 516,511,020

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


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