Greatest Common Factor of 164 and 2009
GCF(164, 2009) = 41, Greatest common factor of 164 and 2009 is 41. Greatest Common Factor or Greatest Common Divisor of two numbers is the largest integer by which both the numbers can be divided. There are two different methods to calculate Greatest Common Factor of 164 and 2009. Greatest Common Factor by prime factorization method and Greatest Common Factor by matching factors method.
Greatest Common Factor of 164 and 2009 by prime factorization method
We will first find the prime factorization of 164 and 2009.
Prime Factorization of 164 is 1, 2, 2, 41 and Prime Factorization of 2009 is 1, 7, 7, 41.
- Factorize\( (164) = \) \(1\times 2\times 2\times 41\)
- Factorize\( (2009) = \) \(1\times 7\times 7\times 41\)
Now we need to find any which are common for each number (1, 41) and multiply these numbers together.
\(GCF(164, 2009) = 1\times 41 = 41\).
Greatest Common Factor of 164 and 2009 by matching factors method
List of positive integers factors of 164 leaving a remainder zero is 1, 2, 4, 41, 82, 164
List of positive integers factors of 2009 leaving a remainder zero is 1, 7, 41, 49, 287, 2009
As you can see, 41 is the greatest and common number that 164 and 2009 divides into.
So the greatest common factor 164 and 2009 is 41.
\(GCF(164, 2009) = 41\).
If you want to learn more about greatest common divisor, take a look at the Wikipedia page.
