What is the Greatest Common Factor of 19220 and 19238?

Greatest common factor (GCF) of 19220 and 19238 is 2.

GCF(19220,19238) = 2

We will now calculate the prime factors of 19220 and 19238, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19220 and 19238.

How to find the GCF of 19220 and 19238?

We will first find the prime factorization of 19220 and 19238. After we will calculate the factors of 19220 and 19238 and find the biggest common factor number .

Step-1: Prime Factorization of 19220

Prime factors of 19220 are 2, 5, 31. Prime factorization of 19220 in exponential form is:

19220 = 2² × 5¹ × 31²

Step-2: Prime Factorization of 19238

Prime factors of 19238 are 2, 9619. Prime factorization of 19238 in exponential form is:

19238 = 2¹ × 9619¹

Step-3: Factors of 19220

List of positive integer factors of 19220 that divides 19220 without a remainder.

1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4805, 9610

Step-4: Factors of 19238

List of positive integer factors of 19238 that divides 19220 without a remainder.

1, 2, 9619

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19220 and 19238. The biggest common factor number is the GCF number.
So the greatest common factor 19220 and 19238 is 2.

Also check out the Least Common Multiple of 19220 and 19238