What is the Greatest Common Factor of 30156 and 30165?

Greatest common factor (GCF) of 30156 and 30165 is 3.

GCF(30156,30165) = 3

We will now calculate the prime factors of 30156 and 30165, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30156 and 30165.

How to find the GCF of 30156 and 30165?

We will first find the prime factorization of 30156 and 30165. After we will calculate the factors of 30156 and 30165 and find the biggest common factor number .

Step-1: Prime Factorization of 30156

Prime factors of 30156 are 2, 3, 7, 359. Prime factorization of 30156 in exponential form is:

30156 = 2² × 3¹ × 7¹ × 359¹

Step-2: Prime Factorization of 30165

Prime factors of 30165 are 3, 5, 2011. Prime factorization of 30165 in exponential form is:

30165 = 3¹ × 5¹ × 2011¹

Step-3: Factors of 30156

List of positive integer factors of 30156 that divides 30156 without a remainder.

1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 359, 718, 1077, 1436, 2154, 2513, 4308, 5026, 7539, 10052, 15078

Step-4: Factors of 30165

List of positive integer factors of 30165 that divides 30156 without a remainder.

1, 3, 5, 15, 2011, 6033, 10055

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30156 and 30165. The biggest common factor number is the GCF number.
So the greatest common factor 30156 and 30165 is 3.

Also check out the Least Common Multiple of 30156 and 30165