What is the Greatest Common Factor of 555 and 571?

Greatest common factor (GCF) of 555 and 571 is 1.

GCF(555,571) = 1

We will now calculate the prime factors of 555 and 571, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 555 and 571.

How to find the GCF of 555 and 571?

We will first find the prime factorization of 555 and 571. After we will calculate the factors of 555 and 571 and find the biggest common factor number .

Step-1: Prime Factorization of 555

Prime factors of 555 are 3, 5, 37. Prime factorization of 555 in exponential form is:

555 = 3¹ × 5¹ × 37¹

Step-2: Prime Factorization of 571

Prime factors of 571 are 571. Prime factorization of 571 in exponential form is:

571 = 571¹

Step-3: Factors of 555

List of positive integer factors of 555 that divides 555 without a remainder.

1, 3, 5, 15, 37, 111, 185

Step-4: Factors of 571

List of positive integer factors of 571 that divides 555 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 555 and 571. The biggest common factor number is the GCF number.
So the greatest common factor 555 and 571 is 1.

Also check out the Least Common Multiple of 555 and 571