What is the Greatest Common Factor of 82158 and 82172?

Greatest common factor (GCF) of 82158 and 82172 is 2.

GCF(82158,82172) = 2

We will now calculate the prime factors of 82158 and 82172, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 82158 and 82172.

How to find the GCF of 82158 and 82172?

We will first find the prime factorization of 82158 and 82172. After we will calculate the factors of 82158 and 82172 and find the biggest common factor number .

Step-1: Prime Factorization of 82158

Prime factors of 82158 are 2, 3, 13693. Prime factorization of 82158 in exponential form is:

82158 = 2¹ × 3¹ × 13693¹

Step-2: Prime Factorization of 82172

Prime factors of 82172 are 2, 20543. Prime factorization of 82172 in exponential form is:

82172 = 2² × 20543¹

Step-3: Factors of 82158

List of positive integer factors of 82158 that divides 82158 without a remainder.

1, 2, 3, 6, 13693, 27386, 41079

Step-4: Factors of 82172

List of positive integer factors of 82172 that divides 82158 without a remainder.

1, 2, 4, 20543, 41086

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 82158 and 82172. The biggest common factor number is the GCF number.
So the greatest common factor 82158 and 82172 is 2.

Also check out the Least Common Multiple of 82158 and 82172