What is the Greatest Common Factor of 12609 and 12618?

Greatest common factor (GCF) of 12609 and 12618 is 9.

GCF(12609,12618) = 9

We will now calculate the prime factors of 12609 and 12618, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12609 and 12618.

How to find the GCF of 12609 and 12618?

We will first find the prime factorization of 12609 and 12618. After we will calculate the factors of 12609 and 12618 and find the biggest common factor number .

Step-1: Prime Factorization of 12609

Prime factors of 12609 are 3, 467. Prime factorization of 12609 in exponential form is:

12609 = 3³ × 467¹

Step-2: Prime Factorization of 12618

Prime factors of 12618 are 2, 3, 701. Prime factorization of 12618 in exponential form is:

12618 = 2¹ × 3² × 701¹

Step-3: Factors of 12609

List of positive integer factors of 12609 that divides 12609 without a remainder.

1, 3, 9, 27, 467, 1401, 4203

Step-4: Factors of 12618

List of positive integer factors of 12618 that divides 12609 without a remainder.

1, 2, 3, 6, 9, 18, 701, 1402, 2103, 4206, 6309

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12609 and 12618. The biggest common factor number is the GCF number.
So the greatest common factor 12609 and 12618 is 9.

Also check out the Least Common Multiple of 12609 and 12618