What is the Greatest Common Factor of 66168 and 66186?

Greatest common factor (GCF) of 66168 and 66186 is 18.

GCF(66168,66186) = 18

We will now calculate the prime factors of 66168 and 66186, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66168 and 66186.

How to find the GCF of 66168 and 66186?

We will first find the prime factorization of 66168 and 66186. After we will calculate the factors of 66168 and 66186 and find the biggest common factor number .

Step-1: Prime Factorization of 66168

Prime factors of 66168 are 2, 3, 919. Prime factorization of 66168 in exponential form is:

66168 = 2³ × 3² × 919¹

Step-2: Prime Factorization of 66186

Prime factors of 66186 are 2, 3, 3677. Prime factorization of 66186 in exponential form is:

66186 = 2¹ × 3² × 3677¹

Step-3: Factors of 66168

List of positive integer factors of 66168 that divides 66168 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 919, 1838, 2757, 3676, 5514, 7352, 8271, 11028, 16542, 22056, 33084

Step-4: Factors of 66186

List of positive integer factors of 66186 that divides 66168 without a remainder.

1, 2, 3, 6, 9, 18, 3677, 7354, 11031, 22062, 33093

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66168 and 66186. The biggest common factor number is the GCF number.
So the greatest common factor 66168 and 66186 is 18.

Also check out the Least Common Multiple of 66168 and 66186