Q: What are the prime factors of the number 18,605,797?

 A: 7, 31, 179, 479

Why are those the prime factors of the number 18,605,797?

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 18,605,797

18,605,797
Factor Arrows
72,657,971
Factor Arrows
3185,741
Factor Arrows
179479

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, 31, 179, 479

We can check our work by multiplying all of the prime factors together: 7 x 31 x 179 x 479 = 18,605,797

This can also be written as 71 x 311 x 1791 x 4791 = 18,605,797

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


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