Q: What are the prime factors of the number 808,840?

 A: 2, 5, 73, 277

Why are those the prime factors of the number 808,840?

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 808,840

808,840
Factor Arrows
2404,420
Factor Arrows
2202,210
Factor Arrows
2101,105
Factor Arrows
520,221
Factor Arrows
73277

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, 5, 73, 277

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 73 x 277 = 808,840

This can also be written as 23 x 51 x 731 x 2771 = 808,840

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 808,840:


Ask a Question