Q: What are the prime factors of the number 513,834,639?

 A: 3, 17, 1201, 8389

Why are those the prime factors of the number 513,834,639?

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 513,834,639

513,834,639
Factor Arrows
3171,278,213
Factor Arrows
1710,075,189
Factor Arrows
1,2018,389

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, 17, 1201, 8389

We can check our work by multiplying all of the prime factors together: 3 x 17 x 1,201 x 8,389 = 513,834,639

This can also be written as 31 x 171 x 1,2011 x 8,3891 = 513,834,639

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


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