GCF and LCM Calculator Logo

What is the Greatest Common Factor of 25563 and 25572?

Greatest common factor (GCF) of 25563 and 25572 is 3.

GCF(25563,25572) = 3

We will now calculate the prime factors of 25563 and 25572, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25563 and 25572.

GCF Calculator and
and

How to find the GCF of 25563 and 25572?

We will first find the prime factorization of 25563 and 25572. After we will calculate the factors of 25563 and 25572 and find the biggest common factor number .

Step-1: Prime Factorization of 25563

Prime factors of 25563 are 3, 8521. Prime factorization of 25563 in exponential form is:

25563 = 31 × 85211

Step-2: Prime Factorization of 25572

Prime factors of 25572 are 2, 3, 2131. Prime factorization of 25572 in exponential form is:

25572 = 22 × 31 × 21311

Step-3: Factors of 25563

List of positive integer factors of 25563 that divides 25563 without a remainder.

1, 3, 8521

Step-4: Factors of 25572

List of positive integer factors of 25572 that divides 25563 without a remainder.

1, 2, 3, 4, 6, 12, 2131, 4262, 6393, 8524, 12786

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25563 and 25572. The biggest common factor number is the GCF number.
So the greatest common factor 25563 and 25572 is 3.

Also check out the Least Common Multiple of 25563 and 25572