Q: What are the prime factors of the number 218,592?

 A: 2, 3, 11, 23

Why are those the prime factors of the number 218,592?

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 218,592

218,592
Factor Arrows
2109,296
Factor Arrows
254,648
Factor Arrows
227,324
Factor Arrows
213,662
Factor Arrows
26,831
Factor Arrows
32,277
Factor Arrows
3759
Factor Arrows
3253
Factor Arrows
1123

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, 3, 11, 23

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 11 x 23 = 218,592

This can also be written as 25 x 33 x 111 x 231 = 218,592

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 218,592:


Ask a Question