What is the Greatest Common Factor of 82191 and 82209?

Greatest common factor (GCF) of 82191 and 82209 is 3.

GCF(82191,82209) = 3

We will now calculate the prime factors of 82191 and 82209, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 82191 and 82209.

How to find the GCF of 82191 and 82209?

We will first find the prime factorization of 82191 and 82209. After we will calculate the factors of 82191 and 82209 and find the biggest common factor number .

Step-1: Prime Factorization of 82191

Prime factors of 82191 are 3, 27397. Prime factorization of 82191 in exponential form is:

82191 = 3¹ × 27397¹

Step-2: Prime Factorization of 82209

Prime factors of 82209 are 3, 67, 409. Prime factorization of 82209 in exponential form is:

82209 = 3¹ × 67¹ × 409¹

Step-3: Factors of 82191

List of positive integer factors of 82191 that divides 82191 without a remainder.

1, 3, 27397

Step-4: Factors of 82209

List of positive integer factors of 82209 that divides 82191 without a remainder.

1, 3, 67, 201, 409, 1227, 27403

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 82191 and 82209. The biggest common factor number is the GCF number.
So the greatest common factor 82191 and 82209 is 3.

Also check out the Least Common Multiple of 82191 and 82209