What is the Greatest Common Factor of 77 and 92?

Greatest common factor (GCF) of 77 and 92 is 1.

GCF(77,92) = 1

We will now calculate the prime factors of 77 and 92, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77 and 92.

How to find the GCF of 77 and 92?

We will first find the prime factorization of 77 and 92. After we will calculate the factors of 77 and 92 and find the biggest common factor number .

Step-1: Prime Factorization of 77

Prime factors of 77 are 7, 11. Prime factorization of 77 in exponential form is:

77 = 7¹ × 11¹

Step-2: Prime Factorization of 92

Prime factors of 92 are 2, 23. Prime factorization of 92 in exponential form is:

92 = 2² × 23¹

Step-3: Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1, 7, 11

Step-4: Factors of 92

List of positive integer factors of 92 that divides 77 without a remainder.

1, 2, 4, 23, 46

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77 and 92. The biggest common factor number is the GCF number.
So the greatest common factor 77 and 92 is 1.

Also check out the Least Common Multiple of 77 and 92