Q: What are the prime factors of the number 4,538,592?

 A: 2, 3, 17, 103

Why are those the prime factors of the number 4,538,592?

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 4,538,592

4,538,592
Factor Arrows
22,269,296
Factor Arrows
21,134,648
Factor Arrows
2567,324
Factor Arrows
2283,662
Factor Arrows
2141,831
Factor Arrows
347,277
Factor Arrows
315,759
Factor Arrows
35,253
Factor Arrows
31,751
Factor Arrows
17103

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, 17, 103

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 17 x 103 = 4,538,592

This can also be written as 25 x 34 x 171 x 1031 = 4,538,592

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


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