Q: What are the prime factors of the number 581,361,355?

 A: 5, 103, 193, 5849

Why are those the prime factors of the number 581,361,355?

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 581,361,355

581,361,355
Factor Arrows
5116,272,271
Factor Arrows
1031,128,857
Factor Arrows
1935,849

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:

5, 103, 193, 5849

We can check our work by multiplying all of the prime factors together: 5 x 103 x 193 x 5,849 = 581,361,355

This can also be written as 51 x 1031 x 1931 x 5,8491 = 581,361,355

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 581,361,355:


Ask a Question