What is the Greatest Common Factor of 77563 and 77571?

Greatest common factor (GCF) of 77563 and 77571 is 1.

GCF(77563,77571) = 1

We will now calculate the prime factors of 77563 and 77571, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77563 and 77571.

How to find the GCF of 77563 and 77571?

We will first find the prime factorization of 77563 and 77571. After we will calculate the factors of 77563 and 77571 and find the biggest common factor number .

Step-1: Prime Factorization of 77563

Prime factors of 77563 are 77563. Prime factorization of 77563 in exponential form is:

77563 = 77563¹

Step-2: Prime Factorization of 77571

Prime factors of 77571 are 3, 13, 17. Prime factorization of 77571 in exponential form is:

77571 = 3³ × 13² × 17¹

Step-3: Factors of 77563

List of positive integer factors of 77563 that divides 77563 without a remainder.

Step-4: Factors of 77571

List of positive integer factors of 77571 that divides 77563 without a remainder.

1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 169, 221, 351, 459, 507, 663, 1521, 1989, 2873, 4563, 5967, 8619, 25857

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77563 and 77571. The biggest common factor number is the GCF number.
So the greatest common factor 77563 and 77571 is 1.

Also check out the Least Common Multiple of 77563 and 77571