Q: What are the prime factors of the number 457,855,456?

 A: 2, 14307983

Why are those the prime factors of the number 457,855,456?

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 457,855,456

457,855,456
Factor Arrows
2228,927,728
Factor Arrows
2114,463,864
Factor Arrows
257,231,932
Factor Arrows
228,615,966
Factor Arrows
214,307,983

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, 14307983

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 14,307,983 = 457,855,456

This can also be written as 25 x 14,307,9831 = 457,855,456

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


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