What is the Greatest Common Factor of 28197 and 28212?

Greatest common factor (GCF) of 28197 and 28212 is 3.

GCF(28197,28212) = 3

We will now calculate the prime factors of 28197 and 28212, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28197 and 28212.

How to find the GCF of 28197 and 28212?

We will first find the prime factorization of 28197 and 28212. After we will calculate the factors of 28197 and 28212 and find the biggest common factor number .

Step-1: Prime Factorization of 28197

Prime factors of 28197 are 3, 13, 241. Prime factorization of 28197 in exponential form is:

28197 = 3² × 13¹ × 241¹

Step-2: Prime Factorization of 28212

Prime factors of 28212 are 2, 3, 2351. Prime factorization of 28212 in exponential form is:

28212 = 2² × 3¹ × 2351¹

Step-3: Factors of 28197

List of positive integer factors of 28197 that divides 28197 without a remainder.

1, 3, 9, 13, 39, 117, 241, 723, 2169, 3133, 9399

Step-4: Factors of 28212

List of positive integer factors of 28212 that divides 28197 without a remainder.

1, 2, 3, 4, 6, 12, 2351, 4702, 7053, 9404, 14106

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28197 and 28212. The biggest common factor number is the GCF number.
So the greatest common factor 28197 and 28212 is 3.

Also check out the Least Common Multiple of 28197 and 28212