What is the Greatest Common Factor of 22805 and 22820?

Greatest common factor (GCF) of 22805 and 22820 is 5.

GCF(22805,22820) = 5

We will now calculate the prime factors of 22805 and 22820, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 22805 and 22820.

How to find the GCF of 22805 and 22820?

We will first find the prime factorization of 22805 and 22820. After we will calculate the factors of 22805 and 22820 and find the biggest common factor number .

Step-1: Prime Factorization of 22805

Prime factors of 22805 are 5, 4561. Prime factorization of 22805 in exponential form is:

22805 = 5¹ × 4561¹

Step-2: Prime Factorization of 22820

Prime factors of 22820 are 2, 5, 7, 163. Prime factorization of 22820 in exponential form is:

22820 = 2² × 5¹ × 7¹ × 163¹

Step-3: Factors of 22805

List of positive integer factors of 22805 that divides 22805 without a remainder.

1, 5, 4561

Step-4: Factors of 22820

List of positive integer factors of 22820 that divides 22805 without a remainder.

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 3260, 4564, 5705, 11410

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 22805 and 22820. The biggest common factor number is the GCF number.
So the greatest common factor 22805 and 22820 is 5.

Also check out the Least Common Multiple of 22805 and 22820