Q: What are the prime factors of the number 6,560,256?

 A: 2, 3, 4271

Why are those the prime factors of the number 6,560,256?

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 6,560,256

6,560,256
Factor Arrows
23,280,128
Factor Arrows
21,640,064
Factor Arrows
2820,032
Factor Arrows
2410,016
Factor Arrows
2205,008
Factor Arrows
2102,504
Factor Arrows
251,252
Factor Arrows
225,626
Factor Arrows
212,813
Factor Arrows
34,271

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, 4271

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 2 x 2 x 2 x 3 x 4,271 = 6,560,256

This can also be written as 29 x 31 x 4,2711 = 6,560,256

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


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