What is the Greatest Common Factor of 28119 and 28129?

Greatest common factor (GCF) of 28119 and 28129 is 1.

GCF(28119,28129) = 1

We will now calculate the prime factors of 28119 and 28129, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28119 and 28129.

How to find the GCF of 28119 and 28129?

We will first find the prime factorization of 28119 and 28129. After we will calculate the factors of 28119 and 28129 and find the biggest common factor number .

Step-1: Prime Factorization of 28119

Prime factors of 28119 are 3, 7, 13, 103. Prime factorization of 28119 in exponential form is:

28119 = 3¹ × 7¹ × 13¹ × 103¹

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 28119

List of positive integer factors of 28119 that divides 28119 without a remainder.

1, 3, 7, 13, 21, 39, 91, 103, 273, 309, 721, 1339, 2163, 4017, 9373

Step-4: Factors of 28129

List of positive integer factors of 28129 that divides 28119 without a remainder.

1, 23, 1223

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28119 and 28129. The biggest common factor number is the GCF number.
So the greatest common factor 28119 and 28129 is 1.

Also check out the Least Common Multiple of 28119 and 28129