What is the Greatest Common Factor of 27117 and 27129?

Greatest common factor (GCF) of 27117 and 27129 is 3.

GCF(27117,27129) = 3

We will now calculate the prime factors of 27117 and 27129, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27117 and 27129.

How to find the GCF of 27117 and 27129?

We will first find the prime factorization of 27117 and 27129. After we will calculate the factors of 27117 and 27129 and find the biggest common factor number .

Step-1: Prime Factorization of 27117

Prime factors of 27117 are 3, 23, 131. Prime factorization of 27117 in exponential form is:

27117 = 3² × 23¹ × 131¹

Step-2: Prime Factorization of 27129

Prime factors of 27129 are 3, 9043. Prime factorization of 27129 in exponential form is:

27129 = 3¹ × 9043¹

Step-3: Factors of 27117

List of positive integer factors of 27117 that divides 27117 without a remainder.

1, 3, 9, 23, 69, 131, 207, 393, 1179, 3013, 9039

Step-4: Factors of 27129

List of positive integer factors of 27129 that divides 27117 without a remainder.

1, 3, 9043

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27117 and 27129. The biggest common factor number is the GCF number.
So the greatest common factor 27117 and 27129 is 3.

Also check out the Least Common Multiple of 27117 and 27129