What is the Greatest Common Factor of 563 and 580?

Greatest common factor (GCF) of 563 and 580 is 1.

GCF(563,580) = 1

We will now calculate the prime factors of 563 and 580, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 563 and 580.

How to find the GCF of 563 and 580?

We will first find the prime factorization of 563 and 580. After we will calculate the factors of 563 and 580 and find the biggest common factor number .

Step-1: Prime Factorization of 563

Prime factors of 563 are 563. Prime factorization of 563 in exponential form is:

563 = 563¹

Step-2: Prime Factorization of 580

Prime factors of 580 are 2, 5, 29. Prime factorization of 580 in exponential form is:

580 = 2² × 5¹ × 29¹

Step-3: Factors of 563

List of positive integer factors of 563 that divides 563 without a remainder.

Step-4: Factors of 580

List of positive integer factors of 580 that divides 563 without a remainder.

1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 563 and 580. The biggest common factor number is the GCF number.
So the greatest common factor 563 and 580 is 1.

Also check out the Least Common Multiple of 563 and 580