What is the Greatest Common Factor of 28187 and 28197?

Greatest common factor (GCF) of 28187 and 28197 is 1.

GCF(28187,28197) = 1

We will now calculate the prime factors of 28187 and 28197, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28187 and 28197.

How to find the GCF of 28187 and 28197?

We will first find the prime factorization of 28187 and 28197. After we will calculate the factors of 28187 and 28197 and find the biggest common factor number .

Step-1: Prime Factorization of 28187

Prime factors of 28187 are 71, 397. Prime factorization of 28187 in exponential form is:

28187 = 71¹ × 397¹

Step-2: 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-3: Factors of 28187

List of positive integer factors of 28187 that divides 28187 without a remainder.

1, 71, 397

Step-4: Factors of 28197

List of positive integer factors of 28197 that divides 28187 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28187 and 28197. The biggest common factor number is the GCF number.
So the greatest common factor 28187 and 28197 is 1.

Also check out the Least Common Multiple of 28187 and 28197