Q: What are the prime factors of the number 10,320,040?

 A: 2, 5, 19, 37, 367

Why are those the prime factors of the number 10,320,040?

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 10,320,040

10,320,040
Factor Arrows
25,160,020
Factor Arrows
22,580,010
Factor Arrows
21,290,005
Factor Arrows
5258,001
Factor Arrows
1913,579
Factor Arrows
37367

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, 19, 37, 367

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 19 x 37 x 367 = 10,320,040

This can also be written as 23 x 51 x 191 x 371 x 3671 = 10,320,040

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


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