What is the Greatest Common Factor of 749 and 768?

Greatest common factor (GCF) of 749 and 768 is 1.

GCF(749,768) = 1

We will now calculate the prime factors of 749 and 768, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 749 and 768.

How to find the GCF of 749 and 768?

We will first find the prime factorization of 749 and 768. After we will calculate the factors of 749 and 768 and find the biggest common factor number .

Step-1: Prime Factorization of 749

Prime factors of 749 are 7, 107. Prime factorization of 749 in exponential form is:

749 = 7¹ × 107¹

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 749

List of positive integer factors of 749 that divides 749 without a remainder.

1, 7, 107

Step-4: Factors of 768

List of positive integer factors of 768 that divides 749 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 749 and 768. The biggest common factor number is the GCF number.
So the greatest common factor 749 and 768 is 1.

Also check out the Least Common Multiple of 749 and 768