What is the Greatest Common Factor of 10557 and 10566?

Greatest common factor (GCF) of 10557 and 10566 is 9.

GCF(10557,10566) = 9

We will now calculate the prime factors of 10557 and 10566, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 10557 and 10566.

How to find the GCF of 10557 and 10566?

We will first find the prime factorization of 10557 and 10566. After we will calculate the factors of 10557 and 10566 and find the biggest common factor number .

Step-1: Prime Factorization of 10557

Prime factors of 10557 are 3, 17, 23. Prime factorization of 10557 in exponential form is:

10557 = 3³ × 17¹ × 23¹

Step-2: Prime Factorization of 10566

Prime factors of 10566 are 2, 3, 587. Prime factorization of 10566 in exponential form is:

10566 = 2¹ × 3² × 587¹

Step-3: Factors of 10557

List of positive integer factors of 10557 that divides 10557 without a remainder.

1, 3, 9, 17, 23, 27, 51, 69, 153, 207, 391, 459, 621, 1173, 3519

Step-4: Factors of 10566

List of positive integer factors of 10566 that divides 10557 without a remainder.

1, 2, 3, 6, 9, 18, 587, 1174, 1761, 3522, 5283

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 10557 and 10566. The biggest common factor number is the GCF number.
So the greatest common factor 10557 and 10566 is 9.

Also check out the Least Common Multiple of 10557 and 10566