What is the Greatest Common Factor of 18791 and 18808?

Greatest common factor (GCF) of 18791 and 18808 is 1.

GCF(18791,18808) = 1

We will now calculate the prime factors of 18791 and 18808, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18791 and 18808.

How to find the GCF of 18791 and 18808?

We will first find the prime factorization of 18791 and 18808. After we will calculate the factors of 18791 and 18808 and find the biggest common factor number .

Step-1: Prime Factorization of 18791

Prime factors of 18791 are 19, 23, 43. Prime factorization of 18791 in exponential form is:

18791 = 19¹ × 23¹ × 43¹

Step-2: Prime Factorization of 18808

Prime factors of 18808 are 2, 2351. Prime factorization of 18808 in exponential form is:

18808 = 2³ × 2351¹

Step-3: Factors of 18791

List of positive integer factors of 18791 that divides 18791 without a remainder.

1, 19, 23, 43, 437, 817, 989

Step-4: Factors of 18808

List of positive integer factors of 18808 that divides 18791 without a remainder.

1, 2, 4, 8, 2351, 4702, 9404

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18791 and 18808. The biggest common factor number is the GCF number.
So the greatest common factor 18791 and 18808 is 1.

Also check out the Least Common Multiple of 18791 and 18808