Q: What are the prime factors of the number 307,660,665?

 A: 3, 5, 13, 83, 19009

Why are those the prime factors of the number 307,660,665?

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 307,660,665

307,660,665
Factor Arrows
3102,553,555
Factor Arrows
520,510,711
Factor Arrows
131,577,747
Factor Arrows
8319,009

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, 13, 83, 19009

We can check our work by multiplying all of the prime factors together: 3 x 5 x 13 x 83 x 19,009 = 307,660,665

This can also be written as 31 x 51 x 131 x 831 x 19,0091 = 307,660,665

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 307,660,665:


Ask a Question