Q: What are the prime factors of the number 20,053,665?

 A: 3, 5, 193, 2309

Why are those the prime factors of the number 20,053,665?

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 20,053,665

20,053,665
Factor Arrows
36,684,555
Factor Arrows
32,228,185
Factor Arrows
5445,637
Factor Arrows
1932,309

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, 193, 2309

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 193 x 2,309 = 20,053,665

This can also be written as 32 x 51 x 1931 x 2,3091 = 20,053,665

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 20,053,665:


Ask a Question