What is the Greatest Common Factor of 20097 and 20108?

Greatest common factor (GCF) of 20097 and 20108 is 11.

GCF(20097,20108) = 11

We will now calculate the prime factors of 20097 and 20108, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20097 and 20108.

How to find the GCF of 20097 and 20108?

We will first find the prime factorization of 20097 and 20108. After we will calculate the factors of 20097 and 20108 and find the biggest common factor number .

Step-1: Prime Factorization of 20097

Prime factors of 20097 are 3, 7, 11, 29. Prime factorization of 20097 in exponential form is:

20097 = 3² × 7¹ × 11¹ × 29¹

Step-2: Prime Factorization of 20108

Prime factors of 20108 are 2, 11, 457. Prime factorization of 20108 in exponential form is:

20108 = 2² × 11¹ × 457¹

Step-3: Factors of 20097

List of positive integer factors of 20097 that divides 20097 without a remainder.

1, 3, 7, 9, 11, 21, 29, 33, 63, 77, 87, 99, 203, 231, 261, 319, 609, 693, 957, 1827, 2233, 2871, 6699

Step-4: Factors of 20108

List of positive integer factors of 20108 that divides 20097 without a remainder.

1, 2, 4, 11, 22, 44, 457, 914, 1828, 5027, 10054

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20097 and 20108. The biggest common factor number is the GCF number.
So the greatest common factor 20097 and 20108 is 11.

Also check out the Least Common Multiple of 20097 and 20108