Q: What are the prime factors of the number 256,262,672?

 A: 2, 67, 277, 863

Why are those the prime factors of the number 256,262,672?

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 256,262,672

256,262,672
Factor Arrows
2128,131,336
Factor Arrows
264,065,668
Factor Arrows
232,032,834
Factor Arrows
216,016,417
Factor Arrows
67239,051
Factor Arrows
277863

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, 67, 277, 863

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 67 x 277 x 863 = 256,262,672

This can also be written as 24 x 671 x 2771 x 8631 = 256,262,672

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


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