What is the Greatest Common Factor of 10561 and 10581?

Greatest common factor (GCF) of 10561 and 10581 is 1.

GCF(10561,10581) = 1

We will now calculate the prime factors of 10561 and 10581, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 10561 and 10581.

How to find the GCF of 10561 and 10581?

We will first find the prime factorization of 10561 and 10581. After we will calculate the factors of 10561 and 10581 and find the biggest common factor number .

Step-1: Prime Factorization of 10561

Prime factors of 10561 are 59, 179. Prime factorization of 10561 in exponential form is:

10561 = 59¹ × 179¹

Step-2: Prime Factorization of 10581

Prime factors of 10581 are 3, 3527. Prime factorization of 10581 in exponential form is:

10581 = 3¹ × 3527¹

Step-3: Factors of 10561

List of positive integer factors of 10561 that divides 10561 without a remainder.

1, 59, 179

Step-4: Factors of 10581

List of positive integer factors of 10581 that divides 10561 without a remainder.

1, 3, 3527

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 10561 and 10581. The biggest common factor number is the GCF number.
So the greatest common factor 10561 and 10581 is 1.

Also check out the Least Common Multiple of 10561 and 10581