What is the Greatest Common Factor of 26991 and 27005?

Greatest common factor (GCF) of 26991 and 27005 is 1.

GCF(26991,27005) = 1

We will now calculate the prime factors of 26991 and 27005, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 26991 and 27005.

How to find the GCF of 26991 and 27005?

We will first find the prime factorization of 26991 and 27005. After we will calculate the factors of 26991 and 27005 and find the biggest common factor number .

Step-1: Prime Factorization of 26991

Prime factors of 26991 are 3, 2999. Prime factorization of 26991 in exponential form is:

26991 = 3² × 2999¹

Step-2: Prime Factorization of 27005

Prime factors of 27005 are 5, 11, 491. Prime factorization of 27005 in exponential form is:

27005 = 5¹ × 11¹ × 491¹

Step-3: Factors of 26991

List of positive integer factors of 26991 that divides 26991 without a remainder.

1, 3, 9, 2999, 8997

Step-4: Factors of 27005

List of positive integer factors of 27005 that divides 26991 without a remainder.

1, 5, 11, 55, 491, 2455, 5401

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 26991 and 27005. The biggest common factor number is the GCF number.
So the greatest common factor 26991 and 27005 is 1.

Also check out the Least Common Multiple of 26991 and 27005