What is the Greatest Common Factor of 11563 and 11581?

Greatest common factor (GCF) of 11563 and 11581 is 1.

GCF(11563,11581) = 1

We will now calculate the prime factors of 11563 and 11581, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 11563 and 11581.

How to find the GCF of 11563 and 11581?

We will first find the prime factorization of 11563 and 11581. After we will calculate the factors of 11563 and 11581 and find the biggest common factor number .

Step-1: Prime Factorization of 11563

Prime factors of 11563 are 31, 373. Prime factorization of 11563 in exponential form is:

11563 = 31¹ × 373¹

Step-2: Prime Factorization of 11581

Prime factors of 11581 are 37, 313. Prime factorization of 11581 in exponential form is:

11581 = 37¹ × 313¹

Step-3: Factors of 11563

List of positive integer factors of 11563 that divides 11563 without a remainder.

1, 31, 373

Step-4: Factors of 11581

List of positive integer factors of 11581 that divides 11563 without a remainder.

1, 37, 313

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 11563 and 11581. The biggest common factor number is the GCF number.
So the greatest common factor 11563 and 11581 is 1.

Also check out the Least Common Multiple of 11563 and 11581