What is the Greatest Common Factor of 72158 and 72164?

Greatest common factor (GCF) of 72158 and 72164 is 2.

GCF(72158,72164) = 2

We will now calculate the prime factors of 72158 and 72164, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72158 and 72164.

How to find the GCF of 72158 and 72164?

We will first find the prime factorization of 72158 and 72164. After we will calculate the factors of 72158 and 72164 and find the biggest common factor number .

Step-1: Prime Factorization of 72158

Prime factors of 72158 are 2, 109, 331. Prime factorization of 72158 in exponential form is:

72158 = 2¹ × 109¹ × 331¹

Step-2: Prime Factorization of 72164

Prime factors of 72164 are 2, 18041. Prime factorization of 72164 in exponential form is:

72164 = 2² × 18041¹

Step-3: Factors of 72158

List of positive integer factors of 72158 that divides 72158 without a remainder.

1, 2, 109, 218, 331, 662, 36079

Step-4: Factors of 72164

List of positive integer factors of 72164 that divides 72158 without a remainder.

1, 2, 4, 18041, 36082

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72158 and 72164. The biggest common factor number is the GCF number.
So the greatest common factor 72158 and 72164 is 2.

Also check out the Least Common Multiple of 72158 and 72164