What is the Greatest Common Factor of 5561 and 5571?

Greatest common factor (GCF) of 5561 and 5571 is 1.

GCF(5561,5571) = 1

We will now calculate the prime factors of 5561 and 5571, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 5561 and 5571.

How to find the GCF of 5561 and 5571?

We will first find the prime factorization of 5561 and 5571. After we will calculate the factors of 5561 and 5571 and find the biggest common factor number .

Step-1: Prime Factorization of 5561

Prime factors of 5561 are 67, 83. Prime factorization of 5561 in exponential form is:

5561 = 67¹ × 83¹

Step-2: Prime Factorization of 5571

Prime factors of 5571 are 3, 619. Prime factorization of 5571 in exponential form is:

5571 = 3² × 619¹

Step-3: Factors of 5561

List of positive integer factors of 5561 that divides 5561 without a remainder.

1, 67, 83

Step-4: Factors of 5571

List of positive integer factors of 5571 that divides 5561 without a remainder.

1, 3, 9, 619, 1857

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 5561 and 5571. The biggest common factor number is the GCF number.
So the greatest common factor 5561 and 5571 is 1.

Also check out the Least Common Multiple of 5561 and 5571