Q: What are the prime factors of the number 20,508,241?

 A: 13, 41, 109, 353

Why are those the prime factors of the number 20,508,241?

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 20,508,241

20,508,241
Factor Arrows
131,577,557
Factor Arrows
4138,477
Factor Arrows
109353

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:

13, 41, 109, 353

We can check our work by multiplying all of the prime factors together: 13 x 41 x 109 x 353 = 20,508,241

This can also be written as 131 x 411 x 1091 x 3531 = 20,508,241

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 20,508,241:


Ask a Question