What is the Greatest Common Factor of 25689 and 25698?

Greatest common factor (GCF) of 25689 and 25698 is 3.

GCF(25689,25698) = 3

We will now calculate the prime factors of 25689 and 25698, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25689 and 25698.

How to find the GCF of 25689 and 25698?

We will first find the prime factorization of 25689 and 25698. After we will calculate the factors of 25689 and 25698 and find the biggest common factor number .

Step-1: Prime Factorization of 25689

Prime factors of 25689 are 3, 8563. Prime factorization of 25689 in exponential form is:

25689 = 3¹ × 8563¹

Step-2: Prime Factorization of 25698

Prime factors of 25698 are 2, 3, 4283. Prime factorization of 25698 in exponential form is:

25698 = 2¹ × 3¹ × 4283¹

Step-3: Factors of 25689

List of positive integer factors of 25689 that divides 25689 without a remainder.

1, 3, 8563

Step-4: Factors of 25698

List of positive integer factors of 25698 that divides 25689 without a remainder.

1, 2, 3, 6, 4283, 8566, 12849

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25689 and 25698. The biggest common factor number is the GCF number.
So the greatest common factor 25689 and 25698 is 3.

Also check out the Least Common Multiple of 25689 and 25698