Greatest Common Factor of 116 and 1390
GCF(116, 1390) = 2, Greatest common factor of 116 and 1390 is 2. 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 116 and 1390. Greatest Common Factor by prime factorization method and Greatest Common Factor by matching factors method.
Greatest Common Factor of 116 and 1390 by prime factorization method
We will first find the prime factorization of 116 and 1390.
Prime Factorization of 116 is 1, 2, 2, 29 and Prime Factorization of 1390 is 1, 2, 5, 139.
- Factorize\( (116) = \) \(1\times 2\times 2\times 29\)
- Factorize\( (1390) = \) \(1\times 2\times 5\times 139\)
Now we need to find any which are common for each number (1, 2) and multiply these numbers together.
\(GCF(116, 1390) = 1\times 2 = 2\).
Greatest Common Factor of 116 and 1390 by matching factors method
List of positive integers factors of 116 leaving a remainder zero is 1, 2, 4, 29, 58, 116
List of positive integers factors of 1390 leaving a remainder zero is 1, 2, 5, 10, 139, 278, 695, 1390
As you can see, 2 is the greatest and common number that 116 and 1390 divides into.
So the greatest common factor 116 and 1390 is 2.
\(GCF(116, 1390) = 2\).
If you want to learn more about greatest common divisor, take a look at the Wikipedia page.