Q: What are the prime factors of the number 456,221,632?

 A: 2, 7128463

Why are those the prime factors of the number 456,221,632?

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 456,221,632

456,221,632
Factor Arrows
2228,110,816
Factor Arrows
2114,055,408
Factor Arrows
257,027,704
Factor Arrows
228,513,852
Factor Arrows
214,256,926
Factor Arrows
27,128,463

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, 7128463

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 7,128,463 = 456,221,632

This can also be written as 26 x 7,128,4631 = 456,221,632

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


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