Q: What are the prime factors of the number 9,904?

 A: 2, 619

Why are those the prime factors of the number 9,904?

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 9,904

9,904
Factor Arrows
24,952
Factor Arrows
22,476
Factor Arrows
21,238
Factor Arrows
2619

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, 619

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 619 = 9,904

This can also be written as 24 x 6191 = 9,904

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 9,904:


Ask a Question