What is the Greatest Common Factor of 77 and 95?

Greatest common factor (GCF) of 77 and 95 is 1.

GCF(77,95) = 1

We will now calculate the prime factors of 77 and 95, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77 and 95.

How to find the GCF of 77 and 95?

We will first find the prime factorization of 77 and 95. After we will calculate the factors of 77 and 95 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 95

Prime factors of 95 are 5, 19. Prime factorization of 95 in exponential form is:

95 = 5¹ × 19¹

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 95

List of positive integer factors of 95 that divides 77 without a remainder.

1, 5, 19

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77 and 95. The biggest common factor number is the GCF number.
So the greatest common factor 77 and 95 is 1.

Also check out the Least Common Multiple of 77 and 95