Q: What are the prime factors of the number 124,200?

 A: 2, 3, 5, 23

Why are those the prime factors of the number 124,200?

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 124,200

124,200
Factor Arrows
262,100
Factor Arrows
231,050
Factor Arrows
215,525
Factor Arrows
35,175
Factor Arrows
31,725
Factor Arrows
3575
Factor Arrows
5115
Factor Arrows
523

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, 5, 23

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 5 x 5 x 23 = 124,200

This can also be written as 23 x 33 x 52 x 231 = 124,200

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 124,200:


Ask a Question