What is the Greatest Common Factor of 30663 and 30681?

Greatest common factor (GCF) of 30663 and 30681 is 9.

GCF(30663,30681) = 9

We will now calculate the prime factors of 30663 and 30681, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30663 and 30681.

How to find the GCF of 30663 and 30681?

We will first find the prime factorization of 30663 and 30681. After we will calculate the factors of 30663 and 30681 and find the biggest common factor number .

Step-1: Prime Factorization of 30663

Prime factors of 30663 are 3, 3407. Prime factorization of 30663 in exponential form is:

30663 = 3² × 3407¹

Step-2: Prime Factorization of 30681

Prime factors of 30681 are 3, 7, 487. Prime factorization of 30681 in exponential form is:

30681 = 3² × 7¹ × 487¹

Step-3: Factors of 30663

List of positive integer factors of 30663 that divides 30663 without a remainder.

1, 3, 9, 3407, 10221

Step-4: Factors of 30681

List of positive integer factors of 30681 that divides 30663 without a remainder.

1, 3, 7, 9, 21, 63, 487, 1461, 3409, 4383, 10227

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30663 and 30681. The biggest common factor number is the GCF number.
So the greatest common factor 30663 and 30681 is 9.

Also check out the Least Common Multiple of 30663 and 30681