Q: What are the prime factors of the number 55,128?

 A: 2, 3, 2297

Why are those the prime factors of the number 55,128?

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 55,128

55,128
Factor Arrows
227,564
Factor Arrows
213,782
Factor Arrows
26,891
Factor Arrows
32,297

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, 2297

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 2,297 = 55,128

This can also be written as 23 x 31 x 2,2971 = 55,128

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 55,128:


Ask a Question