Q: What are the prime factors of the number 225,613,256?

 A: 2, 11, 17, 23, 79, 83

Why are those the prime factors of the number 225,613,256?

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 225,613,256

225,613,256
Factor Arrows
2112,806,628
Factor Arrows
256,403,314
Factor Arrows
228,201,657
Factor Arrows
112,563,787
Factor Arrows
17150,811
Factor Arrows
236,557
Factor Arrows
7983

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, 17, 23, 79, 83

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 11 x 17 x 23 x 79 x 83 = 225,613,256

This can also be written as 23 x 111 x 171 x 231 x 791 x 831 = 225,613,256

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


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