Q: What are the prime factors of the number 456,512?

 A: 2, 7, 1019

Why are those the prime factors of the number 456,512?

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 456,512

456,512
Factor Arrows
2228,256
Factor Arrows
2114,128
Factor Arrows
257,064
Factor Arrows
228,532
Factor Arrows
214,266
Factor Arrows
27,133
Factor Arrows
71,019

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, 7, 1019

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 x 1,019 = 456,512

This can also be written as 26 x 71 x 1,0191 = 456,512

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


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