Q: What are the prime factors of the number 288,256?

 A: 2, 563

Why are those the prime factors of the number 288,256?

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 288,256

288,256
Factor Arrows
2144,128
Factor Arrows
272,064
Factor Arrows
236,032
Factor Arrows
218,016
Factor Arrows
29,008
Factor Arrows
24,504
Factor Arrows
22,252
Factor Arrows
21,126
Factor Arrows
2563

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, 563

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 563 = 288,256

This can also be written as 29 x 5631 = 288,256

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


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