What is the Greatest Common Factor of 27557 and 27563?

Greatest common factor (GCF) of 27557 and 27563 is 1.

GCF(27557,27563) = 1

We will now calculate the prime factors of 27557 and 27563, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27557 and 27563.

How to find the GCF of 27557 and 27563?

We will first find the prime factorization of 27557 and 27563. After we will calculate the factors of 27557 and 27563 and find the biggest common factor number .

Step-1: Prime Factorization of 27557

Prime factors of 27557 are 17, 1621. Prime factorization of 27557 in exponential form is:

27557 = 17¹ × 1621¹

Step-2: Prime Factorization of 27563

Prime factors of 27563 are 43, 641. Prime factorization of 27563 in exponential form is:

27563 = 43¹ × 641¹

Step-3: Factors of 27557

List of positive integer factors of 27557 that divides 27557 without a remainder.

1, 17, 1621

Step-4: Factors of 27563

List of positive integer factors of 27563 that divides 27557 without a remainder.

1, 43, 641

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27557 and 27563. The biggest common factor number is the GCF number.
So the greatest common factor 27557 and 27563 is 1.

Also check out the Least Common Multiple of 27557 and 27563