What is the Greatest Common Factor of 20190 and 20201?

Greatest common factor (GCF) of 20190 and 20201 is 1.

GCF(20190,20201) = 1

We will now calculate the prime factors of 20190 and 20201, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20190 and 20201.

How to find the GCF of 20190 and 20201?

We will first find the prime factorization of 20190 and 20201. After we will calculate the factors of 20190 and 20201 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 20201

Prime factors of 20201 are 20201. Prime factorization of 20201 in exponential form is:

20201 = 20201¹

Step-3: Factors of 20190

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

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

Step-4: Factors of 20201

List of positive integer factors of 20201 that divides 20190 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20190 and 20201. The biggest common factor number is the GCF number.
So the greatest common factor 20190 and 20201 is 1.

Also check out the Least Common Multiple of 20190 and 20201