Q: What are the prime factors of the number 218,937?

 A: 3, 19, 23, 167

Why are those the prime factors of the number 218,937?

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 218,937

218,937
Factor Arrows
372,979
Factor Arrows
193,841
Factor Arrows
23167

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, 19, 23, 167

We can check our work by multiplying all of the prime factors together: 3 x 19 x 23 x 167 = 218,937

This can also be written as 31 x 191 x 231 x 1671 = 218,937

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


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