Q: What are the prime factors of the number 17,311,147?

 A: 7, 19, 73, 1783

Why are those the prime factors of the number 17,311,147?

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 17,311,147

17,311,147
Factor Arrows
72,473,021
Factor Arrows
19130,159
Factor Arrows
731,783

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:

7, 19, 73, 1783

We can check our work by multiplying all of the prime factors together: 7 x 19 x 73 x 1,783 = 17,311,147

This can also be written as 71 x 191 x 731 x 1,7831 = 17,311,147

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


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