Q: What are the prime factors of the number 657,675,328?

 A: 2, 17, 604481

Why are those the prime factors of the number 657,675,328?

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 657,675,328

657,675,328
Factor Arrows
2328,837,664
Factor Arrows
2164,418,832
Factor Arrows
282,209,416
Factor Arrows
241,104,708
Factor Arrows
220,552,354
Factor Arrows
210,276,177
Factor Arrows
17604,481

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, 17, 604481

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 17 x 604,481 = 657,675,328

This can also be written as 26 x 171 x 604,4811 = 657,675,328

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


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