What is the Greatest Common Factor of 28188 and 28198?

Greatest common factor (GCF) of 28188 and 28198 is 2.

GCF(28188,28198) = 2

We will now calculate the prime factors of 28188 and 28198, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28188 and 28198.

How to find the GCF of 28188 and 28198?

We will first find the prime factorization of 28188 and 28198. After we will calculate the factors of 28188 and 28198 and find the biggest common factor number .

Step-1: Prime Factorization of 28188

Prime factors of 28188 are 2, 3, 29. Prime factorization of 28188 in exponential form is:

28188 = 2² × 3⁵ × 29¹

Step-2: Prime Factorization of 28198

Prime factors of 28198 are 2, 23, 613. Prime factorization of 28198 in exponential form is:

28198 = 2¹ × 23¹ × 613¹

Step-3: Factors of 28188

List of positive integer factors of 28188 that divides 28188 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 81, 87, 108, 116, 162, 174, 243, 261, 324, 348, 486, 522, 783, 972, 1044, 1566, 2349, 3132, 4698, 7047, 9396, 14094

Step-4: Factors of 28198

List of positive integer factors of 28198 that divides 28188 without a remainder.

1, 2, 23, 46, 613, 1226, 14099

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28188 and 28198. The biggest common factor number is the GCF number.
So the greatest common factor 28188 and 28198 is 2.

Also check out the Least Common Multiple of 28188 and 28198