What is the Greatest Common Factor of 30915 and 30933?

Greatest common factor (GCF) of 30915 and 30933 is 9.

GCF(30915,30933) = 9

We will now calculate the prime factors of 30915 and 30933, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30915 and 30933.

How to find the GCF of 30915 and 30933?

We will first find the prime factorization of 30915 and 30933. After we will calculate the factors of 30915 and 30933 and find the biggest common factor number .

Step-1: Prime Factorization of 30915

Prime factors of 30915 are 3, 5, 229. Prime factorization of 30915 in exponential form is:

30915 = 3³ × 5¹ × 229¹

Step-2: Prime Factorization of 30933

Prime factors of 30933 are 3, 7, 491. Prime factorization of 30933 in exponential form is:

30933 = 3² × 7¹ × 491¹

Step-3: Factors of 30915

List of positive integer factors of 30915 that divides 30915 without a remainder.

1, 3, 5, 9, 15, 27, 45, 135, 229, 687, 1145, 2061, 3435, 6183, 10305

Step-4: Factors of 30933

List of positive integer factors of 30933 that divides 30915 without a remainder.

1, 3, 7, 9, 21, 63, 491, 1473, 3437, 4419, 10311

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30915 and 30933. The biggest common factor number is the GCF number.
So the greatest common factor 30915 and 30933 is 9.

Also check out the Least Common Multiple of 30915 and 30933