Q: What are the prime factors of the number 422,592?

 A: 2, 3, 31, 71

Why are those the prime factors of the number 422,592?

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 422,592

422,592
Factor Arrows
2211,296
Factor Arrows
2105,648
Factor Arrows
252,824
Factor Arrows
226,412
Factor Arrows
213,206
Factor Arrows
26,603
Factor Arrows
32,201
Factor Arrows
3171

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, 3, 31, 71

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 3 x 31 x 71 = 422,592

This can also be written as 26 x 31 x 311 x 711 = 422,592

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


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