What is the Greatest Common Factor of 12487 and 12505?

Greatest common factor (GCF) of 12487 and 12505 is 1.

GCF(12487,12505) = 1

We will now calculate the prime factors of 12487 and 12505, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12487 and 12505.

How to find the GCF of 12487 and 12505?

We will first find the prime factorization of 12487 and 12505. After we will calculate the factors of 12487 and 12505 and find the biggest common factor number .

Step-1: Prime Factorization of 12487

Prime factors of 12487 are 12487. Prime factorization of 12487 in exponential form is:

12487 = 12487¹

Step-2: Prime Factorization of 12505

Prime factors of 12505 are 5, 41, 61. Prime factorization of 12505 in exponential form is:

12505 = 5¹ × 41¹ × 61¹

Step-3: Factors of 12487

List of positive integer factors of 12487 that divides 12487 without a remainder.

Step-4: Factors of 12505

List of positive integer factors of 12505 that divides 12487 without a remainder.

1, 5, 41, 61, 205, 305, 2501

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12487 and 12505. The biggest common factor number is the GCF number.
So the greatest common factor 12487 and 12505 is 1.

Also check out the Least Common Multiple of 12487 and 12505