What is the Greatest Common Factor of 66009 and 66018?

Greatest common factor (GCF) of 66009 and 66018 is 3.

GCF(66009,66018) = 3

We will now calculate the prime factors of 66009 and 66018, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66009 and 66018.

How to find the GCF of 66009 and 66018?

We will first find the prime factorization of 66009 and 66018. After we will calculate the factors of 66009 and 66018 and find the biggest common factor number .

Step-1: Prime Factorization of 66009

Prime factors of 66009 are 3, 22003. Prime factorization of 66009 in exponential form is:

66009 = 3¹ × 22003¹

Step-2: Prime Factorization of 66018

Prime factors of 66018 are 2, 3, 11003. Prime factorization of 66018 in exponential form is:

66018 = 2¹ × 3¹ × 11003¹

Step-3: Factors of 66009

List of positive integer factors of 66009 that divides 66009 without a remainder.

1, 3, 22003

Step-4: Factors of 66018

List of positive integer factors of 66018 that divides 66009 without a remainder.

1, 2, 3, 6, 11003, 22006, 33009

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66009 and 66018. The biggest common factor number is the GCF number.
So the greatest common factor 66009 and 66018 is 3.

Also check out the Least Common Multiple of 66009 and 66018