What is the Greatest Common Factor of 10221 and 10227?

Greatest common factor (GCF) of 10221 and 10227 is 3.

GCF(10221,10227) = 3

We will now calculate the prime factors of 10221 and 10227, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 10221 and 10227.

How to find the GCF of 10221 and 10227?

We will first find the prime factorization of 10221 and 10227. After we will calculate the factors of 10221 and 10227 and find the biggest common factor number .

Step-1: Prime Factorization of 10221

Prime factors of 10221 are 3, 3407. Prime factorization of 10221 in exponential form is:

10221 = 3¹ × 3407¹

Step-2: Prime Factorization of 10227

Prime factors of 10227 are 3, 7, 487. Prime factorization of 10227 in exponential form is:

10227 = 3¹ × 7¹ × 487¹

Step-3: Factors of 10221

List of positive integer factors of 10221 that divides 10221 without a remainder.

1, 3, 3407

Step-4: Factors of 10227

List of positive integer factors of 10227 that divides 10221 without a remainder.

1, 3, 7, 21, 487, 1461, 3409

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 10221 and 10227. The biggest common factor number is the GCF number.
So the greatest common factor 10221 and 10227 is 3.

Also check out the Least Common Multiple of 10221 and 10227