Q: What are the prime factors of the number 27,822,400?

 A: 2, 5, 17389

Why are those the prime factors of the number 27,822,400?

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 27,822,400

27,822,400
Factor Arrows
213,911,200
Factor Arrows
26,955,600
Factor Arrows
23,477,800
Factor Arrows
21,738,900
Factor Arrows
2869,450
Factor Arrows
2434,725
Factor Arrows
586,945
Factor Arrows
517,389

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, 17389

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 5 x 5 x 17,389 = 27,822,400

This can also be written as 26 x 52 x 17,3891 = 27,822,400

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 27,822,400:


Ask a Question