Q: What are the prime factors of the number 516,345,435?

 A: 3, 5, 29, 43963

Why are those the prime factors of the number 516,345,435?

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 516,345,435

516,345,435
Factor Arrows
3172,115,145
Factor Arrows
357,371,715
Factor Arrows
319,123,905
Factor Arrows
36,374,635
Factor Arrows
51,274,927
Factor Arrows
2943,963

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, 29, 43963

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 5 x 29 x 43,963 = 516,345,435

This can also be written as 34 x 51 x 291 x 43,9631 = 516,345,435

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


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