What is the Greatest Common Factor of 30378 and 30388?

Greatest common factor (GCF) of 30378 and 30388 is 2.

GCF(30378,30388) = 2

We will now calculate the prime factors of 30378 and 30388, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30378 and 30388.

How to find the GCF of 30378 and 30388?

We will first find the prime factorization of 30378 and 30388. After we will calculate the factors of 30378 and 30388 and find the biggest common factor number .

Step-1: Prime Factorization of 30378

Prime factors of 30378 are 2, 3, 61, 83. Prime factorization of 30378 in exponential form is:

30378 = 2¹ × 3¹ × 61¹ × 83¹

Step-2: Prime Factorization of 30388

Prime factors of 30388 are 2, 71, 107. Prime factorization of 30388 in exponential form is:

30388 = 2² × 71¹ × 107¹

Step-3: Factors of 30378

List of positive integer factors of 30378 that divides 30378 without a remainder.

1, 2, 3, 6, 61, 83, 122, 166, 183, 249, 366, 498, 5063, 10126, 15189

Step-4: Factors of 30388

List of positive integer factors of 30388 that divides 30378 without a remainder.

1, 2, 4, 71, 107, 142, 214, 284, 428, 7597, 15194

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30378 and 30388. The biggest common factor number is the GCF number.
So the greatest common factor 30378 and 30388 is 2.

Also check out the Least Common Multiple of 30378 and 30388