Q: What are the prime factors of the number 511,296?

 A: 2, 3, 2663

Why are those the prime factors of the number 511,296?

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 511,296

511,296
Factor Arrows
2255,648
Factor Arrows
2127,824
Factor Arrows
263,912
Factor Arrows
231,956
Factor Arrows
215,978
Factor Arrows
27,989
Factor Arrows
32,663

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, 2663

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 2,663 = 511,296

This can also be written as 26 x 31 x 2,6631 = 511,296

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


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