What is the Greatest Common Factor of 12365 and 12380?

Greatest common factor (GCF) of 12365 and 12380 is 5.

GCF(12365,12380) = 5

We will now calculate the prime factors of 12365 and 12380, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12365 and 12380.

How to find the GCF of 12365 and 12380?

We will first find the prime factorization of 12365 and 12380. After we will calculate the factors of 12365 and 12380 and find the biggest common factor number .

Step-1: Prime Factorization of 12365

Prime factors of 12365 are 5, 2473. Prime factorization of 12365 in exponential form is:

12365 = 5¹ × 2473¹

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 12365

List of positive integer factors of 12365 that divides 12365 without a remainder.

1, 5, 2473

Step-4: Factors of 12380

List of positive integer factors of 12380 that divides 12365 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 12365 and 12380. The biggest common factor number is the GCF number.
So the greatest common factor 12365 and 12380 is 5.

Also check out the Least Common Multiple of 12365 and 12380