What is the Greatest Common Factor of 20563 and 20575?

Greatest common factor (GCF) of 20563 and 20575 is 1.

GCF(20563,20575) = 1

We will now calculate the prime factors of 20563 and 20575, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20563 and 20575.

How to find the GCF of 20563 and 20575?

We will first find the prime factorization of 20563 and 20575. After we will calculate the factors of 20563 and 20575 and find the biggest common factor number .

Step-1: Prime Factorization of 20563

Prime factors of 20563 are 20563. Prime factorization of 20563 in exponential form is:

20563 = 20563¹

Step-2: Prime Factorization of 20575

Prime factors of 20575 are 5, 823. Prime factorization of 20575 in exponential form is:

20575 = 5² × 823¹

Step-3: Factors of 20563

List of positive integer factors of 20563 that divides 20563 without a remainder.

Step-4: Factors of 20575

List of positive integer factors of 20575 that divides 20563 without a remainder.

1, 5, 25, 823, 4115

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20563 and 20575. The biggest common factor number is the GCF number.
So the greatest common factor 20563 and 20575 is 1.

Also check out the Least Common Multiple of 20563 and 20575