What is the Greatest Common Factor of 20110 and 20130?

Greatest common factor (GCF) of 20110 and 20130 is 10.

GCF(20110,20130) = 10

We will now calculate the prime factors of 20110 and 20130, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20110 and 20130.

How to find the GCF of 20110 and 20130?

We will first find the prime factorization of 20110 and 20130. After we will calculate the factors of 20110 and 20130 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 20130

Prime factors of 20130 are 2, 3, 5, 11, 61. Prime factorization of 20130 in exponential form is:

20130 = 2¹ × 3¹ × 5¹ × 11¹ × 61¹

Step-3: Factors of 20110

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

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

Step-4: Factors of 20130

List of positive integer factors of 20130 that divides 20110 without a remainder.

1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 61, 66, 110, 122, 165, 183, 305, 330, 366, 610, 671, 915, 1342, 1830, 2013, 3355, 4026, 6710, 10065

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20110 and 20130. The biggest common factor number is the GCF number.
So the greatest common factor 20110 and 20130 is 10.

Also check out the Least Common Multiple of 20110 and 20130