GCF and LCM Calculator Logo

What is the Greatest Common Factor of 27805 and 27811?

Greatest common factor (GCF) of 27805 and 27811 is 1.

GCF(27805,27811) = 1

We will now calculate the prime factors of 27805 and 27811, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27805 and 27811.

GCF Calculator and
and

How to find the GCF of 27805 and 27811?

We will first find the prime factorization of 27805 and 27811. After we will calculate the factors of 27805 and 27811 and find the biggest common factor number .

Step-1: Prime Factorization of 27805

Prime factors of 27805 are 5, 67, 83. Prime factorization of 27805 in exponential form is:

27805 = 51 × 671 × 831

Step-2: 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-3: Factors of 27805

List of positive integer factors of 27805 that divides 27805 without a remainder.

1, 5, 67, 83, 335, 415, 5561

Step-4: Factors of 27811

List of positive integer factors of 27811 that divides 27805 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27805 and 27811. The biggest common factor number is the GCF number.
So the greatest common factor 27805 and 27811 is 1.

Also check out the Least Common Multiple of 27805 and 27811