What is the Greatest Common Factor of 27805 and 27812?

Greatest common factor (GCF) of 27805 and 27812 is 1.

GCF(27805,27812) = 1

We will now calculate the prime factors of 27805 and 27812, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27805 and 27812.

How to find the GCF of 27805 and 27812?

We will first find the prime factorization of 27805 and 27812. After we will calculate the factors of 27805 and 27812 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 27812

Prime factors of 27812 are 2, 17, 409. Prime factorization of 27812 in exponential form is:

27812 = 2² × 17¹ × 409¹

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 27812

List of positive integer factors of 27812 that divides 27805 without a remainder.

1, 2, 4, 17, 34, 68, 409, 818, 1636, 6953, 13906

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27805 and 27812. The biggest common factor number is the GCF number.
So the greatest common factor 27805 and 27812 is 1.

Also check out the Least Common Multiple of 27805 and 27812