What is the Greatest Common Factor of 12355 and 12360?

Greatest common factor (GCF) of 12355 and 12360 is 5.

GCF(12355,12360) = 5

We will now calculate the prime factors of 12355 and 12360, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12355 and 12360.

How to find the GCF of 12355 and 12360?

We will first find the prime factorization of 12355 and 12360. After we will calculate the factors of 12355 and 12360 and find the biggest common factor number .

Step-1: Prime Factorization of 12355

Prime factors of 12355 are 5, 7, 353. Prime factorization of 12355 in exponential form is:

12355 = 5¹ × 7¹ × 353¹

Step-2: 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-3: Factors of 12355

List of positive integer factors of 12355 that divides 12355 without a remainder.

1, 5, 7, 35, 353, 1765, 2471

Step-4: Factors of 12360

List of positive integer factors of 12360 that divides 12355 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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12355 and 12360. The biggest common factor number is the GCF number.
So the greatest common factor 12355 and 12360 is 5.

Also check out the Least Common Multiple of 12355 and 12360