Q: What are the prime factors of the number 385,824?

 A: 2, 3, 4019

Why are those the prime factors of the number 385,824?

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 385,824

385,824
Factor Arrows
2192,912
Factor Arrows
296,456
Factor Arrows
248,228
Factor Arrows
224,114
Factor Arrows
212,057
Factor Arrows
34,019

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, 4019

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 4,019 = 385,824

This can also be written as 25 x 31 x 4,0191 = 385,824

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 385,824:


Ask a Question