Q: What are the prime factors of the number 423,552?

 A: 2, 3, 1103

Why are those the prime factors of the number 423,552?

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 423,552

423,552
Factor Arrows
2211,776
Factor Arrows
2105,888
Factor Arrows
252,944
Factor Arrows
226,472
Factor Arrows
213,236
Factor Arrows
26,618
Factor Arrows
23,309
Factor Arrows
31,103

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, 1103

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 2 x 3 x 1,103 = 423,552

This can also be written as 27 x 31 x 1,1031 = 423,552

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


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