What is the Greatest Common Factor of 13555 and 13561?

Greatest common factor (GCF) of 13555 and 13561 is 1.

GCF(13555,13561) = 1

We will now calculate the prime factors of 13555 and 13561, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13555 and 13561.

How to find the GCF of 13555 and 13561?

We will first find the prime factorization of 13555 and 13561. After we will calculate the factors of 13555 and 13561 and find the biggest common factor number .

Step-1: Prime Factorization of 13555

Prime factors of 13555 are 5, 2711. Prime factorization of 13555 in exponential form is:

13555 = 5¹ × 2711¹

Step-2: Prime Factorization of 13561

Prime factors of 13561 are 71, 191. Prime factorization of 13561 in exponential form is:

13561 = 71¹ × 191¹

Step-3: Factors of 13555

List of positive integer factors of 13555 that divides 13555 without a remainder.

1, 5, 2711

Step-4: Factors of 13561

List of positive integer factors of 13561 that divides 13555 without a remainder.

1, 71, 191

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13555 and 13561. The biggest common factor number is the GCF number.
So the greatest common factor 13555 and 13561 is 1.

Also check out the Least Common Multiple of 13555 and 13561