Q: What are the prime factors of the number 103,072?

 A: 2, 3221

Why are those the prime factors of the number 103,072?

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 103,072

103,072
Factor Arrows
251,536
Factor Arrows
225,768
Factor Arrows
212,884
Factor Arrows
26,442
Factor Arrows
23,221

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, 3221

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3,221 = 103,072

This can also be written as 25 x 3,2211 = 103,072

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 103,072:


Ask a Question