GCF and LCM Calculator Logo

What is the Greatest Common Factor of 19922 and 19938?

Greatest common factor (GCF) of 19922 and 19938 is 2.

GCF(19922,19938) = 2

We will now calculate the prime factors of 19922 and 19938, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19922 and 19938.

GCF Calculator and
and

How to find the GCF of 19922 and 19938?

We will first find the prime factorization of 19922 and 19938. After we will calculate the factors of 19922 and 19938 and find the biggest common factor number .

Step-1: Prime Factorization of 19922

Prime factors of 19922 are 2, 7, 1423. Prime factorization of 19922 in exponential form is:

19922 = 21 × 71 × 14231

Step-2: Prime Factorization of 19938

Prime factors of 19938 are 2, 3, 3323. Prime factorization of 19938 in exponential form is:

19938 = 21 × 31 × 33231

Step-3: Factors of 19922

List of positive integer factors of 19922 that divides 19922 without a remainder.

1, 2, 7, 14, 1423, 2846, 9961

Step-4: Factors of 19938

List of positive integer factors of 19938 that divides 19922 without a remainder.

1, 2, 3, 6, 3323, 6646, 9969

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19922 and 19938. The biggest common factor number is the GCF number.
So the greatest common factor 19922 and 19938 is 2.

Also check out the Least Common Multiple of 19922 and 19938