Q: What are the prime factors of the number 218,619?

 A: 3, 2699

Why are those the prime factors of the number 218,619?

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 218,619

218,619
Factor Arrows
372,873
Factor Arrows
324,291
Factor Arrows
38,097
Factor Arrows
32,699

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, 2699

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 2,699 = 218,619

This can also be written as 34 x 2,6991 = 218,619

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


More Examples

Here are some more numbers to try:

Try the factor calculator

Explore more about the number 218,619:


Ask a Question