Q: What are the prime factors of the number 19,726,575?

 A: 3, 5, 11, 23911

Why are those the prime factors of the number 19,726,575?

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 19,726,575

19,726,575
Factor Arrows
36,575,525
Factor Arrows
51,315,105
Factor Arrows
5263,021
Factor Arrows
1123,911

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:

3, 5, 11, 23911

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 11 x 23,911 = 19,726,575

This can also be written as 31 x 52 x 111 x 23,9111 = 19,726,575

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


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