What is the Greatest Common Factor of 77777 and 77789?

Greatest common factor (GCF) of 77777 and 77789 is 1.

GCF(77777,77789) = 1

We will now calculate the prime factors of 77777 and 77789, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77777 and 77789.

How to find the GCF of 77777 and 77789?

We will first find the prime factorization of 77777 and 77789. After we will calculate the factors of 77777 and 77789 and find the biggest common factor number .

Step-1: Prime Factorization of 77777

Prime factors of 77777 are 7, 41, 271. Prime factorization of 77777 in exponential form is:

77777 = 7¹ × 41¹ × 271¹

Step-2: Prime Factorization of 77789

Prime factors of 77789 are 107, 727. Prime factorization of 77789 in exponential form is:

77789 = 107¹ × 727¹

Step-3: Factors of 77777

List of positive integer factors of 77777 that divides 77777 without a remainder.

1, 7, 41, 271, 287, 1897, 11111

Step-4: Factors of 77789

List of positive integer factors of 77789 that divides 77777 without a remainder.

1, 107, 727

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77777 and 77789. The biggest common factor number is the GCF number.
So the greatest common factor 77777 and 77789 is 1.

Also check out the Least Common Multiple of 77777 and 77789