What is the Greatest Common Factor of 12380 and 12388?

Greatest common factor (GCF) of 12380 and 12388 is 4.

GCF(12380,12388) = 4

We will now calculate the prime factors of 12380 and 12388, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12380 and 12388.

How to find the GCF of 12380 and 12388?

We will first find the prime factorization of 12380 and 12388. After we will calculate the factors of 12380 and 12388 and find the biggest common factor number .

Step-1: Prime Factorization of 12380

Prime factors of 12380 are 2, 5, 619. Prime factorization of 12380 in exponential form is:

12380 = 2² × 5¹ × 619¹

Step-2: Prime Factorization of 12388

Prime factors of 12388 are 2, 19, 163. Prime factorization of 12388 in exponential form is:

12388 = 2² × 19¹ × 163¹

Step-3: Factors of 12380

List of positive integer factors of 12380 that divides 12380 without a remainder.

1, 2, 4, 5, 10, 20, 619, 1238, 2476, 3095, 6190

Step-4: Factors of 12388

List of positive integer factors of 12388 that divides 12380 without a remainder.

1, 2, 4, 19, 38, 76, 163, 326, 652, 3097, 6194

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12380 and 12388. The biggest common factor number is the GCF number.
So the greatest common factor 12380 and 12388 is 4.

Also check out the Least Common Multiple of 12380 and 12388