Q: What are the prime factors of the number 103,828?

 A: 2, 101, 257

Why are those the prime factors of the number 103,828?

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 103,828

103,828
Factor Arrows
251,914
Factor Arrows
225,957
Factor Arrows
101257

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, 101, 257

We can check our work by multiplying all of the prime factors together: 2 x 2 x 101 x 257 = 103,828

This can also be written as 22 x 1011 x 2571 = 103,828

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 103,828:


Ask a Question