What is the Greatest Common Factor of 22005 and 22020?

Greatest common factor (GCF) of 22005 and 22020 is 15.

GCF(22005,22020) = 15

We will now calculate the prime factors of 22005 and 22020, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 22005 and 22020.

How to find the GCF of 22005 and 22020?

We will first find the prime factorization of 22005 and 22020. After we will calculate the factors of 22005 and 22020 and find the biggest common factor number .

Step-1: Prime Factorization of 22005

Prime factors of 22005 are 3, 5, 163. Prime factorization of 22005 in exponential form is:

22005 = 3³ × 5¹ × 163¹

Step-2: Prime Factorization of 22020

Prime factors of 22020 are 2, 3, 5, 367. Prime factorization of 22020 in exponential form is:

22020 = 2² × 3¹ × 5¹ × 367¹

Step-3: Factors of 22005

List of positive integer factors of 22005 that divides 22005 without a remainder.

1, 3, 5, 9, 15, 27, 45, 135, 163, 489, 815, 1467, 2445, 4401, 7335

Step-4: Factors of 22020

List of positive integer factors of 22020 that divides 22005 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 367, 734, 1101, 1468, 1835, 2202, 3670, 4404, 5505, 7340, 11010

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 22005 and 22020. The biggest common factor number is the GCF number.
So the greatest common factor 22005 and 22020 is 15.

Also check out the Least Common Multiple of 22005 and 22020