What is the Greatest Common Factor of 30178 and 30188?

Greatest common factor (GCF) of 30178 and 30188 is 2.

GCF(30178,30188) = 2

We will now calculate the prime factors of 30178 and 30188, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30178 and 30188.

How to find the GCF of 30178 and 30188?

We will first find the prime factorization of 30178 and 30188. After we will calculate the factors of 30178 and 30188 and find the biggest common factor number .

Step-1: Prime Factorization of 30178

Prime factors of 30178 are 2, 79, 191. Prime factorization of 30178 in exponential form is:

30178 = 2¹ × 79¹ × 191¹

Step-2: Prime Factorization of 30188

Prime factors of 30188 are 2, 7547. Prime factorization of 30188 in exponential form is:

30188 = 2² × 7547¹

Step-3: Factors of 30178

List of positive integer factors of 30178 that divides 30178 without a remainder.

1, 2, 79, 158, 191, 382, 15089

Step-4: Factors of 30188

List of positive integer factors of 30188 that divides 30178 without a remainder.

1, 2, 4, 7547, 15094

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30178 and 30188. The biggest common factor number is the GCF number.
So the greatest common factor 30178 and 30188 is 2.

Also check out the Least Common Multiple of 30178 and 30188