What is the Greatest Common Factor of 16563 and 16572?

Greatest common factor (GCF) of 16563 and 16572 is 3.

GCF(16563,16572) = 3

We will now calculate the prime factors of 16563 and 16572, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16563 and 16572.

How to find the GCF of 16563 and 16572?

We will first find the prime factorization of 16563 and 16572. After we will calculate the factors of 16563 and 16572 and find the biggest common factor number .

Step-1: Prime Factorization of 16563

Prime factors of 16563 are 3, 5521. Prime factorization of 16563 in exponential form is:

16563 = 3¹ × 5521¹

Step-2: Prime Factorization of 16572

Prime factors of 16572 are 2, 3, 1381. Prime factorization of 16572 in exponential form is:

16572 = 2² × 3¹ × 1381¹

Step-3: Factors of 16563

List of positive integer factors of 16563 that divides 16563 without a remainder.

1, 3, 5521

Step-4: Factors of 16572

List of positive integer factors of 16572 that divides 16563 without a remainder.

1, 2, 3, 4, 6, 12, 1381, 2762, 4143, 5524, 8286

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16563 and 16572. The biggest common factor number is the GCF number.
So the greatest common factor 16563 and 16572 is 3.

Also check out the Least Common Multiple of 16563 and 16572