GCF and LCM Calculator Logo

What is the Greatest Common Factor of 27538 and 27557?

Greatest common factor (GCF) of 27538 and 27557 is 1.

GCF(27538,27557) = 1

We will now calculate the prime factors of 27538 and 27557, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27538 and 27557.

GCF Calculator and
and

How to find the GCF of 27538 and 27557?

We will first find the prime factorization of 27538 and 27557. After we will calculate the factors of 27538 and 27557 and find the biggest common factor number .

Step-1: Prime Factorization of 27538

Prime factors of 27538 are 2, 7, 281. Prime factorization of 27538 in exponential form is:

27538 = 21 × 72 × 2811

Step-2: Prime Factorization of 27557

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

27557 = 171 × 16211

Step-3: Factors of 27538

List of positive integer factors of 27538 that divides 27538 without a remainder.

1, 2, 7, 14, 49, 98, 281, 562, 1967, 3934, 13769

Step-4: Factors of 27557

List of positive integer factors of 27557 that divides 27538 without a remainder.

1, 17, 1621

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27538 and 27557. The biggest common factor number is the GCF number.
So the greatest common factor 27538 and 27557 is 1.

Also check out the Least Common Multiple of 27538 and 27557