What is the Greatest Common Factor of 27797 and 27808?

Greatest common factor (GCF) of 27797 and 27808 is 11.

GCF(27797,27808) = 11

We will now calculate the prime factors of 27797 and 27808, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27797 and 27808.

How to find the GCF of 27797 and 27808?

We will first find the prime factorization of 27797 and 27808. After we will calculate the factors of 27797 and 27808 and find the biggest common factor number .

Step-1: Prime Factorization of 27797

Prime factors of 27797 are 7, 11, 19. Prime factorization of 27797 in exponential form is:

27797 = 7¹ × 11¹ × 19²

Step-2: Prime Factorization of 27808

Prime factors of 27808 are 2, 11, 79. Prime factorization of 27808 in exponential form is:

27808 = 2⁵ × 11¹ × 79¹

Step-3: Factors of 27797

List of positive integer factors of 27797 that divides 27797 without a remainder.

1, 7, 11, 19, 77, 133, 209, 361, 1463, 2527, 3971

Step-4: Factors of 27808

List of positive integer factors of 27808 that divides 27797 without a remainder.

1, 2, 4, 8, 11, 16, 22, 32, 44, 79, 88, 158, 176, 316, 352, 632, 869, 1264, 1738, 2528, 3476, 6952, 13904

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27797 and 27808. The biggest common factor number is the GCF number.
So the greatest common factor 27797 and 27808 is 11.

Also check out the Least Common Multiple of 27797 and 27808