What is the Greatest Common Factor of 20091 and 20110?

Greatest common factor (GCF) of 20091 and 20110 is 1.

GCF(20091,20110) = 1

We will now calculate the prime factors of 20091 and 20110, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20091 and 20110.

How to find the GCF of 20091 and 20110?

We will first find the prime factorization of 20091 and 20110. After we will calculate the factors of 20091 and 20110 and find the biggest common factor number .

Step-1: Prime Factorization of 20091

Prime factors of 20091 are 3, 37, 181. Prime factorization of 20091 in exponential form is:

20091 = 3¹ × 37¹ × 181¹

Step-2: Prime Factorization of 20110

Prime factors of 20110 are 2, 5, 2011. Prime factorization of 20110 in exponential form is:

20110 = 2¹ × 5¹ × 2011¹

Step-3: Factors of 20091

List of positive integer factors of 20091 that divides 20091 without a remainder.

1, 3, 37, 111, 181, 543, 6697

Step-4: Factors of 20110

List of positive integer factors of 20110 that divides 20091 without a remainder.

1, 2, 5, 10, 2011, 4022, 10055

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20091 and 20110. The biggest common factor number is the GCF number.
So the greatest common factor 20091 and 20110 is 1.

Also check out the Least Common Multiple of 20091 and 20110