Q: What are the prime factors of the number 17,641,025?

 A: 5, 19, 37139

Why are those the prime factors of the number 17,641,025?

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 17,641,025

17,641,025
Factor Arrows
53,528,205
Factor Arrows
5705,641
Factor Arrows
1937,139

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:

5, 19, 37139

We can check our work by multiplying all of the prime factors together: 5 x 5 x 19 x 37,139 = 17,641,025

This can also be written as 52 x 191 x 37,1391 = 17,641,025

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


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