What is the Greatest Common Factor of 2563 and 2580?

Greatest common factor (GCF) of 2563 and 2580 is 1.

GCF(2563,2580) = 1

We will now calculate the prime factors of 2563 and 2580, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2563 and 2580.

How to find the GCF of 2563 and 2580?

We will first find the prime factorization of 2563 and 2580. After we will calculate the factors of 2563 and 2580 and find the biggest common factor number .

Step-1: Prime Factorization of 2563

Prime factors of 2563 are 11, 233. Prime factorization of 2563 in exponential form is:

2563 = 11¹ × 233¹

Step-2: Prime Factorization of 2580

Prime factors of 2580 are 2, 3, 5, 43. Prime factorization of 2580 in exponential form is:

2580 = 2² × 3¹ × 5¹ × 43¹

Step-3: Factors of 2563

List of positive integer factors of 2563 that divides 2563 without a remainder.

1, 11, 233

Step-4: Factors of 2580

List of positive integer factors of 2580 that divides 2563 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2563 and 2580. The biggest common factor number is the GCF number.
So the greatest common factor 2563 and 2580 is 1.

Also check out the Least Common Multiple of 2563 and 2580