Q: What are the prime factors of the number 26,173,040?

 A: 2, 5, 327163

Why are those the prime factors of the number 26,173,040?

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 26,173,040

26,173,040
Factor Arrows
213,086,520
Factor Arrows
26,543,260
Factor Arrows
23,271,630
Factor Arrows
21,635,815
Factor Arrows
5327,163

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, 327163

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 327,163 = 26,173,040

This can also be written as 24 x 51 x 327,1631 = 26,173,040

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


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