Q: What are the prime factors of the number 765,160?

 A: 2, 5, 11, 37, 47

Why are those the prime factors of the number 765,160?

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 765,160

765,160
Factor Arrows
2382,580
Factor Arrows
2191,290
Factor Arrows
295,645
Factor Arrows
519,129
Factor Arrows
111,739
Factor Arrows
3747

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, 11, 37, 47

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 11 x 37 x 47 = 765,160

This can also be written as 23 x 51 x 111 x 371 x 471 = 765,160

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 765,160:


Ask a Question