What is the Greatest Common Factor of 12455 and 12460?

Greatest common factor (GCF) of 12455 and 12460 is 5.

GCF(12455,12460) = 5

We will now calculate the prime factors of 12455 and 12460, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12455 and 12460.

How to find the GCF of 12455 and 12460?

We will first find the prime factorization of 12455 and 12460. After we will calculate the factors of 12455 and 12460 and find the biggest common factor number .

Step-1: Prime Factorization of 12455

Prime factors of 12455 are 5, 47, 53. Prime factorization of 12455 in exponential form is:

12455 = 5¹ × 47¹ × 53¹

Step-2: Prime Factorization of 12460

Prime factors of 12460 are 2, 5, 7, 89. Prime factorization of 12460 in exponential form is:

12460 = 2² × 5¹ × 7¹ × 89¹

Step-3: Factors of 12455

List of positive integer factors of 12455 that divides 12455 without a remainder.

1, 5, 47, 53, 235, 265, 2491

Step-4: Factors of 12460

List of positive integer factors of 12460 that divides 12455 without a remainder.

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12455 and 12460. The biggest common factor number is the GCF number.
So the greatest common factor 12455 and 12460 is 5.

Also check out the Least Common Multiple of 12455 and 12460