Q: What are the prime factors of the number 810,600?

 A: 2, 3, 5, 7, 193

Why are those the prime factors of the number 810,600?

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 810,600

810,600
Factor Arrows
2405,300
Factor Arrows
2202,650
Factor Arrows
2101,325
Factor Arrows
333,775
Factor Arrows
56,755
Factor Arrows
51,351
Factor Arrows
7193

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, 5, 7, 193

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 5 x 7 x 193 = 810,600

This can also be written as 23 x 31 x 52 x 71 x 1931 = 810,600

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 810,600:


Ask a Question