What is the Greatest Common Factor of 27811 and 27818?

Greatest common factor (GCF) of 27811 and 27818 is 7.

GCF(27811,27818) = 7

We will now calculate the prime factors of 27811 and 27818, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27811 and 27818.

How to find the GCF of 27811 and 27818?

We will first find the prime factorization of 27811 and 27818. After we will calculate the factors of 27811 and 27818 and find the biggest common factor number .

Step-1: Prime Factorization of 27811

Prime factors of 27811 are 7, 29, 137. Prime factorization of 27811 in exponential form is:

27811 = 7¹ × 29¹ × 137¹

Step-2: Prime Factorization of 27818

Prime factors of 27818 are 2, 7, 1987. Prime factorization of 27818 in exponential form is:

27818 = 2¹ × 7¹ × 1987¹

Step-3: Factors of 27811

List of positive integer factors of 27811 that divides 27811 without a remainder.

1, 7, 29, 137, 203, 959, 3973

Step-4: Factors of 27818

List of positive integer factors of 27818 that divides 27811 without a remainder.

1, 2, 7, 14, 1987, 3974, 13909

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27811 and 27818. The biggest common factor number is the GCF number.
So the greatest common factor 27811 and 27818 is 7.

Also check out the Least Common Multiple of 27811 and 27818