Q: What are the prime factors of the number 178,927,598?

 A: 2, 19, 31, 193, 787

Why are those the prime factors of the number 178,927,598?

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 178,927,598

178,927,598
Factor Arrows
289,463,799
Factor Arrows
194,708,621
Factor Arrows
31151,891
Factor Arrows
193787

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, 19, 31, 193, 787

We can check our work by multiplying all of the prime factors together: 2 x 19 x 31 x 193 x 787 = 178,927,598

This can also be written as 21 x 191 x 311 x 1931 x 7871 = 178,927,598

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


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