What is the Greatest Common Factor of 20186 and 20190?

Greatest common factor (GCF) of 20186 and 20190 is 2.

GCF(20186,20190) = 2

We will now calculate the prime factors of 20186 and 20190, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20186 and 20190.

How to find the GCF of 20186 and 20190?

We will first find the prime factorization of 20186 and 20190. After we will calculate the factors of 20186 and 20190 and find the biggest common factor number .

Step-1: Prime Factorization of 20186

Prime factors of 20186 are 2, 10093. Prime factorization of 20186 in exponential form is:

20186 = 2¹ × 10093¹

Step-2: Prime Factorization of 20190

Prime factors of 20190 are 2, 3, 5, 673. Prime factorization of 20190 in exponential form is:

20190 = 2¹ × 3¹ × 5¹ × 673¹

Step-3: Factors of 20186

List of positive integer factors of 20186 that divides 20186 without a remainder.

1, 2, 10093

Step-4: Factors of 20190

List of positive integer factors of 20190 that divides 20186 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 673, 1346, 2019, 3365, 4038, 6730, 10095

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20186 and 20190. The biggest common factor number is the GCF number.
So the greatest common factor 20186 and 20190 is 2.

Also check out the Least Common Multiple of 20186 and 20190