What is the Greatest Common Factor of 20188 and 20192?

Greatest common factor (GCF) of 20188 and 20192 is 4.

GCF(20188,20192) = 4

We will now calculate the prime factors of 20188 and 20192, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20188 and 20192.

How to find the GCF of 20188 and 20192?

We will first find the prime factorization of 20188 and 20192. After we will calculate the factors of 20188 and 20192 and find the biggest common factor number .

Step-1: Prime Factorization of 20188

Prime factors of 20188 are 2, 7, 103. Prime factorization of 20188 in exponential form is:

20188 = 2² × 7² × 103¹

Step-2: Prime Factorization of 20192

Prime factors of 20192 are 2, 631. Prime factorization of 20192 in exponential form is:

20192 = 2⁵ × 631¹

Step-3: Factors of 20188

List of positive integer factors of 20188 that divides 20188 without a remainder.

1, 2, 4, 7, 14, 28, 49, 98, 103, 196, 206, 412, 721, 1442, 2884, 5047, 10094

Step-4: Factors of 20192

List of positive integer factors of 20192 that divides 20188 without a remainder.

1, 2, 4, 8, 16, 32, 631, 1262, 2524, 5048, 10096

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20188 and 20192. The biggest common factor number is the GCF number.
So the greatest common factor 20188 and 20192 is 4.

Also check out the Least Common Multiple of 20188 and 20192