Q: What are the prime factors of the number 513,804?

 A: 2, 3, 47, 911

Why are those the prime factors of the number 513,804?

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 513,804

513,804
Factor Arrows
2256,902
Factor Arrows
2128,451
Factor Arrows
342,817
Factor Arrows
47911

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, 47, 911

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 47 x 911 = 513,804

This can also be written as 22 x 31 x 471 x 9111 = 513,804

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


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