Q: What are the prime factors of the number 657,536?

 A: 2, 11, 467

Why are those the prime factors of the number 657,536?

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 657,536

657,536
Factor Arrows
2328,768
Factor Arrows
2164,384
Factor Arrows
282,192
Factor Arrows
241,096
Factor Arrows
220,548
Factor Arrows
210,274
Factor Arrows
25,137
Factor Arrows
11467

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, 467

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 11 x 467 = 657,536

This can also be written as 27 x 111 x 4671 = 657,536

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


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