What is the Greatest Common Factor of 77665 and 77681?

Greatest common factor (GCF) of 77665 and 77681 is 1.

GCF(77665,77681) = 1

We will now calculate the prime factors of 77665 and 77681, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77665 and 77681.

How to find the GCF of 77665 and 77681?

We will first find the prime factorization of 77665 and 77681. After we will calculate the factors of 77665 and 77681 and find the biggest common factor number .

Step-1: Prime Factorization of 77665

Prime factors of 77665 are 5, 7, 317. Prime factorization of 77665 in exponential form is:

77665 = 5¹ × 7² × 317¹

Step-2: Prime Factorization of 77681

Prime factors of 77681 are 77681. Prime factorization of 77681 in exponential form is:

77681 = 77681¹

Step-3: Factors of 77665

List of positive integer factors of 77665 that divides 77665 without a remainder.

1, 5, 7, 35, 49, 245, 317, 1585, 2219, 11095, 15533

Step-4: Factors of 77681

List of positive integer factors of 77681 that divides 77665 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77665 and 77681. The biggest common factor number is the GCF number.
So the greatest common factor 77665 and 77681 is 1.

Also check out the Least Common Multiple of 77665 and 77681