What is the Greatest Common Factor of 18906 and 18922?

Greatest common factor (GCF) of 18906 and 18922 is 2.

GCF(18906,18922) = 2

We will now calculate the prime factors of 18906 and 18922, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18906 and 18922.

How to find the GCF of 18906 and 18922?

We will first find the prime factorization of 18906 and 18922. After we will calculate the factors of 18906 and 18922 and find the biggest common factor number .

Step-1: Prime Factorization of 18906

Prime factors of 18906 are 2, 3, 23, 137. Prime factorization of 18906 in exponential form is:

18906 = 2¹ × 3¹ × 23¹ × 137¹

Step-2: Prime Factorization of 18922

Prime factors of 18922 are 2, 9461. Prime factorization of 18922 in exponential form is:

18922 = 2¹ × 9461¹

Step-3: Factors of 18906

List of positive integer factors of 18906 that divides 18906 without a remainder.

1, 2, 3, 6, 23, 46, 69, 137, 138, 274, 411, 822, 3151, 6302, 9453

Step-4: Factors of 18922

List of positive integer factors of 18922 that divides 18906 without a remainder.

1, 2, 9461

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18906 and 18922. The biggest common factor number is the GCF number.
So the greatest common factor 18906 and 18922 is 2.

Also check out the Least Common Multiple of 18906 and 18922