What is the Greatest Common Factor of 764 and 768?

Greatest common factor (GCF) of 764 and 768 is 4.

GCF(764,768) = 4

We will now calculate the prime factors of 764 and 768, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 764 and 768.

How to find the GCF of 764 and 768?

We will first find the prime factorization of 764 and 768. After we will calculate the factors of 764 and 768 and find the biggest common factor number .

Step-1: Prime Factorization of 764

Prime factors of 764 are 2, 191. Prime factorization of 764 in exponential form is:

764 = 2² × 191¹

Step-2: Prime Factorization of 768

Prime factors of 768 are 2, 3. Prime factorization of 768 in exponential form is:

768 = 2⁸ × 3¹

Step-3: Factors of 764

List of positive integer factors of 764 that divides 764 without a remainder.

1, 2, 4, 191, 382

Step-4: Factors of 768

List of positive integer factors of 768 that divides 764 without a remainder.

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 764 and 768. The biggest common factor number is the GCF number.
So the greatest common factor 764 and 768 is 4.

Also check out the Least Common Multiple of 764 and 768