What is the Greatest Common Factor of 27721 and 27728?

Greatest common factor (GCF) of 27721 and 27728 is 1.

GCF(27721,27728) = 1

We will now calculate the prime factors of 27721 and 27728, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27721 and 27728.

How to find the GCF of 27721 and 27728?

We will first find the prime factorization of 27721 and 27728. After we will calculate the factors of 27721 and 27728 and find the biggest common factor number .

Step-1: Prime Factorization of 27721

Prime factors of 27721 are 19, 1459. Prime factorization of 27721 in exponential form is:

27721 = 19¹ × 1459¹

Step-2: Prime Factorization of 27728

Prime factors of 27728 are 2, 1733. Prime factorization of 27728 in exponential form is:

27728 = 2⁴ × 1733¹

Step-3: Factors of 27721

List of positive integer factors of 27721 that divides 27721 without a remainder.

1, 19, 1459

Step-4: Factors of 27728

List of positive integer factors of 27728 that divides 27721 without a remainder.

1, 2, 4, 8, 16, 1733, 3466, 6932, 13864

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27721 and 27728. The biggest common factor number is the GCF number.
So the greatest common factor 27721 and 27728 is 1.

Also check out the Least Common Multiple of 27721 and 27728