Q: What are the prime factors of the number 657,008?

 A: 2, 11, 3733

Why are those the prime factors of the number 657,008?

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 657,008

657,008
Factor Arrows
2328,504
Factor Arrows
2164,252
Factor Arrows
282,126
Factor Arrows
241,063
Factor Arrows
113,733

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, 3733

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 11 x 3,733 = 657,008

This can also be written as 24 x 111 x 3,7331 = 657,008

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


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