Q: What are the prime factors of the number 523,488?

 A: 2, 3, 7, 19, 41

Why are those the prime factors of the number 523,488?

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 523,488

523,488
Factor Arrows
2261,744
Factor Arrows
2130,872
Factor Arrows
265,436
Factor Arrows
232,718
Factor Arrows
216,359
Factor Arrows
35,453
Factor Arrows
7779
Factor Arrows
1941

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, 7, 19, 41

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 7 x 19 x 41 = 523,488

This can also be written as 25 x 31 x 71 x 191 x 411 = 523,488

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


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