Q: What are the prime factors of the number 163,100?

 A: 2, 5, 7, 233

Why are those the prime factors of the number 163,100?

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 163,100

163,100
Factor Arrows
281,550
Factor Arrows
240,775
Factor Arrows
58,155
Factor Arrows
51,631
Factor Arrows
7233

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, 5, 7, 233

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 7 x 233 = 163,100

This can also be written as 22 x 52 x 71 x 2331 = 163,100

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 163,100:


Ask a Question