Q: What are the prime factors of the number 786,705?

 A: 3, 5, 179, 293

Why are those the prime factors of the number 786,705?

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 786,705

786,705
Factor Arrows
3262,235
Factor Arrows
552,447
Factor Arrows
179293

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:

3, 5, 179, 293

We can check our work by multiplying all of the prime factors together: 3 x 5 x 179 x 293 = 786,705

This can also be written as 31 x 51 x 1791 x 2931 = 786,705

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 786,705:


Ask a Question