What is the Greatest Common Factor of 769 and 781?

Greatest common factor (GCF) of 769 and 781 is 1.

GCF(769,781) = 1

We will now calculate the prime factors of 769 and 781, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 769 and 781.

How to find the GCF of 769 and 781?

We will first find the prime factorization of 769 and 781. After we will calculate the factors of 769 and 781 and find the biggest common factor number .

Step-1: Prime Factorization of 769

Prime factors of 769 are 769. Prime factorization of 769 in exponential form is:

769 = 769¹

Step-2: Prime Factorization of 781

Prime factors of 781 are 11, 71. Prime factorization of 781 in exponential form is:

781 = 11¹ × 71¹

Step-3: Factors of 769

List of positive integer factors of 769 that divides 769 without a remainder.

Step-4: Factors of 781

List of positive integer factors of 781 that divides 769 without a remainder.

1, 11, 71

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 769 and 781. The biggest common factor number is the GCF number.
So the greatest common factor 769 and 781 is 1.

Also check out the Least Common Multiple of 769 and 781