What is the Greatest Common Factor of 28121 and 28129?

Greatest common factor (GCF) of 28121 and 28129 is 1.

GCF(28121,28129) = 1

We will now calculate the prime factors of 28121 and 28129, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28121 and 28129.

How to find the GCF of 28121 and 28129?

We will first find the prime factorization of 28121 and 28129. After we will calculate the factors of 28121 and 28129 and find the biggest common factor number .

Step-1: Prime Factorization of 28121

Prime factors of 28121 are 61, 461. Prime factorization of 28121 in exponential form is:

28121 = 61¹ × 461¹

Step-2: Prime Factorization of 28129

Prime factors of 28129 are 23, 1223. Prime factorization of 28129 in exponential form is:

28129 = 23¹ × 1223¹

Step-3: Factors of 28121

List of positive integer factors of 28121 that divides 28121 without a remainder.

1, 61, 461

Step-4: Factors of 28129

List of positive integer factors of 28129 that divides 28121 without a remainder.

1, 23, 1223

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28121 and 28129. The biggest common factor number is the GCF number.
So the greatest common factor 28121 and 28129 is 1.

Also check out the Least Common Multiple of 28121 and 28129