Q: What are the prime factors of the number 520,256?

 A: 2, 11, 739

Why are those the prime factors of the number 520,256?

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 520,256

520,256
Factor Arrows
2260,128
Factor Arrows
2130,064
Factor Arrows
265,032
Factor Arrows
232,516
Factor Arrows
216,258
Factor Arrows
28,129
Factor Arrows
11739

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, 11, 739

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 11 x 739 = 520,256

This can also be written as 26 x 111 x 7391 = 520,256

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


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