What is the Greatest Common Factor of 27789 and 27807?

Greatest common factor (GCF) of 27789 and 27807 is 3.

GCF(27789,27807) = 3

We will now calculate the prime factors of 27789 and 27807, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27789 and 27807.

How to find the GCF of 27789 and 27807?

We will first find the prime factorization of 27789 and 27807. After we will calculate the factors of 27789 and 27807 and find the biggest common factor number .

Step-1: Prime Factorization of 27789

Prime factors of 27789 are 3, 59, 157. Prime factorization of 27789 in exponential form is:

27789 = 3¹ × 59¹ × 157¹

Step-2: Prime Factorization of 27807

Prime factors of 27807 are 3, 13, 23, 31. Prime factorization of 27807 in exponential form is:

27807 = 3¹ × 13¹ × 23¹ × 31¹

Step-3: Factors of 27789

List of positive integer factors of 27789 that divides 27789 without a remainder.

1, 3, 59, 157, 177, 471, 9263

Step-4: Factors of 27807

List of positive integer factors of 27807 that divides 27789 without a remainder.

1, 3, 13, 23, 31, 39, 69, 93, 299, 403, 713, 897, 1209, 2139, 9269

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27789 and 27807. The biggest common factor number is the GCF number.
So the greatest common factor 27789 and 27807 is 3.

Also check out the Least Common Multiple of 27789 and 27807