Q: What are the prime factors of the number 9,957,168?

 A: 2, 3, 13, 197

Why are those the prime factors of the number 9,957,168?

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 9,957,168

9,957,168
Factor Arrows
24,978,584
Factor Arrows
22,489,292
Factor Arrows
21,244,646
Factor Arrows
2622,323
Factor Arrows
3207,441
Factor Arrows
369,147
Factor Arrows
323,049
Factor Arrows
37,683
Factor Arrows
32,561
Factor Arrows
13197

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, 13, 197

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 3 x 13 x 197 = 9,957,168

This can also be written as 24 x 35 x 131 x 1971 = 9,957,168

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 9,957,168:


Ask a Question