Q: What are the prime factors of the number 501,888?

 A: 2, 3, 1307

Why are those the prime factors of the number 501,888?

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 501,888

501,888
Factor Arrows
2250,944
Factor Arrows
2125,472
Factor Arrows
262,736
Factor Arrows
231,368
Factor Arrows
215,684
Factor Arrows
27,842
Factor Arrows
23,921
Factor Arrows
31,307

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, 1307

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 1,307 = 501,888

This can also be written as 27 x 31 x 1,3071 = 501,888

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


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