Q: What are the prime factors of the number 763,665?

 A: 3, 5, 7, 1039

Why are those the prime factors of the number 763,665?

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 763,665

763,665
Factor Arrows
3254,555
Factor Arrows
550,911
Factor Arrows
77,273
Factor Arrows
71,039

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, 7, 1039

We can check our work by multiplying all of the prime factors together: 3 x 5 x 7 x 7 x 1,039 = 763,665

This can also be written as 31 x 51 x 72 x 1,0391 = 763,665

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 763,665:


Ask a Question