What is the Greatest Common Factor of 5553 and 5561?

Greatest common factor (GCF) of 5553 and 5561 is 1.

GCF(5553,5561) = 1

We will now calculate the prime factors of 5553 and 5561, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 5553 and 5561.

How to find the GCF of 5553 and 5561?

We will first find the prime factorization of 5553 and 5561. After we will calculate the factors of 5553 and 5561 and find the biggest common factor number .

Step-1: Prime Factorization of 5553

Prime factors of 5553 are 3, 617. Prime factorization of 5553 in exponential form is:

5553 = 3² × 617¹

Step-2: Prime Factorization of 5561

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

5561 = 67¹ × 83¹

Step-3: Factors of 5553

List of positive integer factors of 5553 that divides 5553 without a remainder.

1, 3, 9, 617, 1851

Step-4: Factors of 5561

List of positive integer factors of 5561 that divides 5553 without a remainder.

1, 67, 83

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 5553 and 5561. The biggest common factor number is the GCF number.
So the greatest common factor 5553 and 5561 is 1.

Also check out the Least Common Multiple of 5553 and 5561