What is the Greatest Common Factor of 27309 and 27318?

Greatest common factor (GCF) of 27309 and 27318 is 3.

GCF(27309,27318) = 3

We will now calculate the prime factors of 27309 and 27318, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27309 and 27318.

How to find the GCF of 27309 and 27318?

We will first find the prime factorization of 27309 and 27318. After we will calculate the factors of 27309 and 27318 and find the biggest common factor number .

Step-1: Prime Factorization of 27309

Prime factors of 27309 are 3, 9103. Prime factorization of 27309 in exponential form is:

27309 = 3¹ × 9103¹

Step-2: Prime Factorization of 27318

Prime factors of 27318 are 2, 3, 29, 157. Prime factorization of 27318 in exponential form is:

27318 = 2¹ × 3¹ × 29¹ × 157¹

Step-3: Factors of 27309

List of positive integer factors of 27309 that divides 27309 without a remainder.

1, 3, 9103

Step-4: Factors of 27318

List of positive integer factors of 27318 that divides 27309 without a remainder.

1, 2, 3, 6, 29, 58, 87, 157, 174, 314, 471, 942, 4553, 9106, 13659

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27309 and 27318. The biggest common factor number is the GCF number.
So the greatest common factor 27309 and 27318 is 3.

Also check out the Least Common Multiple of 27309 and 27318