What is the Greatest Common Factor of 12360 and 12380?

Greatest common factor (GCF) of 12360 and 12380 is 20.

GCF(12360,12380) = 20

We will now calculate the prime factors of 12360 and 12380, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12360 and 12380.

How to find the GCF of 12360 and 12380?

We will first find the prime factorization of 12360 and 12380. After we will calculate the factors of 12360 and 12380 and find the biggest common factor number .

Step-1: Prime Factorization of 12360

Prime factors of 12360 are 2, 3, 5, 103. Prime factorization of 12360 in exponential form is:

12360 = 2³ × 3¹ × 5¹ × 103¹

Step-2: 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-3: Factors of 12360

List of positive integer factors of 12360 that divides 12360 without a remainder.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 2060, 2472, 3090, 4120, 6180

Step-4: Factors of 12380

List of positive integer factors of 12380 that divides 12360 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12360 and 12380. The biggest common factor number is the GCF number.
So the greatest common factor 12360 and 12380 is 20.

Also check out the Least Common Multiple of 12360 and 12380