What is the Greatest Common Factor of 77638 and 77647?

Greatest common factor (GCF) of 77638 and 77647 is 1.

GCF(77638,77647) = 1

We will now calculate the prime factors of 77638 and 77647, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77638 and 77647.

How to find the GCF of 77638 and 77647?

We will first find the prime factorization of 77638 and 77647. After we will calculate the factors of 77638 and 77647 and find the biggest common factor number .

Step-1: Prime Factorization of 77638

Prime factors of 77638 are 2, 11, 3529. Prime factorization of 77638 in exponential form is:

77638 = 2¹ × 11¹ × 3529¹

Step-2: Prime Factorization of 77647

Prime factors of 77647 are 77647. Prime factorization of 77647 in exponential form is:

77647 = 77647¹

Step-3: Factors of 77638

List of positive integer factors of 77638 that divides 77638 without a remainder.

1, 2, 11, 22, 3529, 7058, 38819

Step-4: Factors of 77647

List of positive integer factors of 77647 that divides 77638 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77638 and 77647. The biggest common factor number is the GCF number.
So the greatest common factor 77638 and 77647 is 1.

Also check out the Least Common Multiple of 77638 and 77647