Q: What are the prime factors of the number 797,664?

 A: 2, 3, 7, 1187

Why are those the prime factors of the number 797,664?

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 797,664

797,664
Factor Arrows
2398,832
Factor Arrows
2199,416
Factor Arrows
299,708
Factor Arrows
249,854
Factor Arrows
224,927
Factor Arrows
38,309
Factor Arrows
71,187

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, 7, 1187

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 7 x 1,187 = 797,664

This can also be written as 25 x 31 x 71 x 1,1871 = 797,664

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 797,664:


Ask a Question