Q: What are the prime factors of the number 40,204?

 A: 2, 19, 23

Why are those the prime factors of the number 40,204?

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 40,204

40,204
Factor Arrows
220,102
Factor Arrows
210,051
Factor Arrows
19529
Factor Arrows
2323

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, 19, 23

We can check our work by multiplying all of the prime factors together: 2 x 2 x 19 x 23 x 23 = 40,204

This can also be written as 22 x 191 x 232 = 40,204

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 40,204:


Ask a Question