What is the Greatest Common Factor of 30105 and 30111?

Greatest common factor (GCF) of 30105 and 30111 is 3.

GCF(30105,30111) = 3

We will now calculate the prime factors of 30105 and 30111, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30105 and 30111.

How to find the GCF of 30105 and 30111?

We will first find the prime factorization of 30105 and 30111. After we will calculate the factors of 30105 and 30111 and find the biggest common factor number .

Step-1: Prime Factorization of 30105

Prime factors of 30105 are 3, 5, 223. Prime factorization of 30105 in exponential form is:

30105 = 3³ × 5¹ × 223¹

Step-2: Prime Factorization of 30111

Prime factors of 30111 are 3, 10037. Prime factorization of 30111 in exponential form is:

30111 = 3¹ × 10037¹

Step-3: Factors of 30105

List of positive integer factors of 30105 that divides 30105 without a remainder.

1, 3, 5, 9, 15, 27, 45, 135, 223, 669, 1115, 2007, 3345, 6021, 10035

Step-4: Factors of 30111

List of positive integer factors of 30111 that divides 30105 without a remainder.

1, 3, 10037

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30105 and 30111. The biggest common factor number is the GCF number.
So the greatest common factor 30105 and 30111 is 3.

Also check out the Least Common Multiple of 30105 and 30111