Q: What are the prime factors of the number 388,624?

 A: 2, 107, 227

Why are those the prime factors of the number 388,624?

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 388,624

388,624
Factor Arrows
2194,312
Factor Arrows
297,156
Factor Arrows
248,578
Factor Arrows
224,289
Factor Arrows
107227

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, 107, 227

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 107 x 227 = 388,624

This can also be written as 24 x 1071 x 2271 = 388,624

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 388,624:


Ask a Question