What is the Greatest Common Factor of 27609 and 27618?

Greatest common factor (GCF) of 27609 and 27618 is 3.

GCF(27609,27618) = 3

We will now calculate the prime factors of 27609 and 27618, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27609 and 27618.

How to find the GCF of 27609 and 27618?

We will first find the prime factorization of 27609 and 27618. After we will calculate the factors of 27609 and 27618 and find the biggest common factor number .

Step-1: Prime Factorization of 27609

Prime factors of 27609 are 3, 9203. Prime factorization of 27609 in exponential form is:

27609 = 3¹ × 9203¹

Step-2: Prime Factorization of 27618

Prime factors of 27618 are 2, 3, 4603. Prime factorization of 27618 in exponential form is:

27618 = 2¹ × 3¹ × 4603¹

Step-3: Factors of 27609

List of positive integer factors of 27609 that divides 27609 without a remainder.

1, 3, 9203

Step-4: Factors of 27618

List of positive integer factors of 27618 that divides 27609 without a remainder.

1, 2, 3, 6, 4603, 9206, 13809

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27609 and 27618. The biggest common factor number is the GCF number.
So the greatest common factor 27609 and 27618 is 3.

Also check out the Least Common Multiple of 27609 and 27618