Q: What are the prime factors of the number 478,525,256?

 A: 2, 11, 67, 277, 293

Why are those the prime factors of the number 478,525,256?

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 478,525,256

478,525,256
Factor Arrows
2239,262,628
Factor Arrows
2119,631,314
Factor Arrows
259,815,657
Factor Arrows
115,437,787
Factor Arrows
6781,161
Factor Arrows
277293

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, 67, 277, 293

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 11 x 67 x 277 x 293 = 478,525,256

This can also be written as 23 x 111 x 671 x 2771 x 2931 = 478,525,256

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


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