What is the Greatest Common Factor of 85689 and 85697?

Greatest common factor (GCF) of 85689 and 85697 is 1.

GCF(85689,85697) = 1

We will now calculate the prime factors of 85689 and 85697, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85689 and 85697.

How to find the GCF of 85689 and 85697?

We will first find the prime factorization of 85689 and 85697. After we will calculate the factors of 85689 and 85697 and find the biggest common factor number .

Step-1: Prime Factorization of 85689

Prime factors of 85689 are 3, 9521. Prime factorization of 85689 in exponential form is:

85689 = 3² × 9521¹

Step-2: Prime Factorization of 85697

Prime factors of 85697 are 17, 71. Prime factorization of 85697 in exponential form is:

85697 = 17¹ × 71²

Step-3: Factors of 85689

List of positive integer factors of 85689 that divides 85689 without a remainder.

1, 3, 9, 9521, 28563

Step-4: Factors of 85697

List of positive integer factors of 85697 that divides 85689 without a remainder.

1, 17, 71, 1207, 5041

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85689 and 85697. The biggest common factor number is the GCF number.
So the greatest common factor 85689 and 85697 is 1.

Also check out the Least Common Multiple of 85689 and 85697