Greatest Common Factor of 60 and 1557
GCF(60, 1557) = 3, Greatest common factor of 60 and 1557 is 3. 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 60 and 1557. Greatest Common Factor by prime factorization method and Greatest Common Factor by matching factors method.
Greatest Common Factor of 60 and 1557 by prime factorization method
We will first find the prime factorization of 60 and 1557.
Prime Factorization of 60 is 1, 2, 2, 3, 5 and Prime Factorization of 1557 is 1, 3, 3, 173.
- Factorize\( (60) = \) \(1\times 2\times 2\times 3\times 5\)
- Factorize\( (1557) = \) \(1\times 3\times 3\times 173\)
Now we need to find any which are common for each number (1, 3) and multiply these numbers together.
\(GCF(60, 1557) = 1\times 3 = 3\).
Greatest Common Factor of 60 and 1557 by matching factors method
List of positive integers factors of 60 leaving a remainder zero is 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
List of positive integers factors of 1557 leaving a remainder zero is 1, 3, 9, 173, 519, 1557
As you can see, 3 is the greatest and common number that 60 and 1557 divides into.
So the greatest common factor 60 and 1557 is 3.
\(GCF(60, 1557) = 3\).
If you want to learn more about greatest common divisor, take a look at the Wikipedia page.
