Q: What are the prime factors of the number 504,160?

 A: 2, 5, 23, 137

Why are those the prime factors of the number 504,160?

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 504,160

504,160
Factor Arrows
2252,080
Factor Arrows
2126,040
Factor Arrows
263,020
Factor Arrows
231,510
Factor Arrows
215,755
Factor Arrows
53,151
Factor Arrows
23137

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, 5, 23, 137

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 23 x 137 = 504,160

This can also be written as 25 x 51 x 231 x 1371 = 504,160

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


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