Greatest Common Factor of 124 and 9770
GCF(124, 9770) = 2, Greatest common factor of 124 and 9770 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 124 and 9770. Greatest Common Factor by prime factorization method and Greatest Common Factor by matching factors method.
Greatest Common Factor of 124 and 9770 by prime factorization method
We will first find the prime factorization of 124 and 9770.
Prime Factorization of 124 is 1, 2, 2, 31 and Prime Factorization of 9770 is 1, 2, 5, 977.
- Factorize\( (124) = \) \(1\times 2\times 2\times 31\)
- Factorize\( (9770) = \) \(1\times 2\times 5\times 977\)
Now we need to find any which are common for each number (1, 2) and multiply these numbers together.
\(GCF(124, 9770) = 1\times 2 = 2\).
Greatest Common Factor of 124 and 9770 by matching factors method
List of positive integers factors of 124 leaving a remainder zero is 1, 2, 4, 31, 62, 124
List of positive integers factors of 9770 leaving a remainder zero is 1, 2, 5, 10, 977, 1954, 4885, 9770
As you can see, 2 is the greatest and common number that 124 and 9770 divides into.
So the greatest common factor 124 and 9770 is 2.
\(GCF(124, 9770) = 2\).
If you want to learn more about greatest common divisor, take a look at the Wikipedia page.