Q: What are the prime factors of the number 422,512?

 A: 2, 26407

Why are those the prime factors of the number 422,512?

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 422,512

422,512
Factor Arrows
2211,256
Factor Arrows
2105,628
Factor Arrows
252,814
Factor Arrows
226,407

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, 26407

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 26,407 = 422,512

This can also be written as 24 x 26,4071 = 422,512

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


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