Q: What are the prime factors of the number 24,221,025?

 A: 3, 5, 443

Why are those the prime factors of the number 24,221,025?

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 24,221,025

24,221,025
Factor Arrows
38,073,675
Factor Arrows
32,691,225
Factor Arrows
3897,075
Factor Arrows
3299,025
Factor Arrows
399,675
Factor Arrows
333,225
Factor Arrows
311,075
Factor Arrows
52,215
Factor Arrows
5443

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:

3, 5, 443

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 3 x 5 x 5 x 443 = 24,221,025

This can also be written as 37 x 52 x 4431 = 24,221,025

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 24,221,025:


Ask a Question