Q: What are the prime factors of the number 255,104?

 A: 2, 1993

Why are those the prime factors of the number 255,104?

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 255,104

255,104
Factor Arrows
2127,552
Factor Arrows
263,776
Factor Arrows
231,888
Factor Arrows
215,944
Factor Arrows
27,972
Factor Arrows
23,986
Factor Arrows
21,993

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, 1993

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 1,993 = 255,104

This can also be written as 27 x 1,9931 = 255,104

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


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