Q: What are the prime factors of the number 2,591,168?

 A: 2, 40487

Why are those the prime factors of the number 2,591,168?

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 2,591,168

2,591,168
Factor Arrows
21,295,584
Factor Arrows
2647,792
Factor Arrows
2323,896
Factor Arrows
2161,948
Factor Arrows
280,974
Factor Arrows
240,487

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, 40487

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 40,487 = 2,591,168

This can also be written as 26 x 40,4871 = 2,591,168

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 2,591,168:


Ask a Question