What is the Greatest Common Factor of 12865 and 12876?

Greatest common factor (GCF) of 12865 and 12876 is 1.

GCF(12865,12876) = 1

We will now calculate the prime factors of 12865 and 12876, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12865 and 12876.

How to find the GCF of 12865 and 12876?

We will first find the prime factorization of 12865 and 12876. After we will calculate the factors of 12865 and 12876 and find the biggest common factor number .

Step-1: Prime Factorization of 12865

Prime factors of 12865 are 5, 31, 83. Prime factorization of 12865 in exponential form is:

12865 = 5¹ × 31¹ × 83¹

Step-2: Prime Factorization of 12876

Prime factors of 12876 are 2, 3, 29, 37. Prime factorization of 12876 in exponential form is:

12876 = 2² × 3¹ × 29¹ × 37¹

Step-3: Factors of 12865

List of positive integer factors of 12865 that divides 12865 without a remainder.

1, 5, 31, 83, 155, 415, 2573

Step-4: Factors of 12876

List of positive integer factors of 12876 that divides 12865 without a remainder.

1, 2, 3, 4, 6, 12, 29, 37, 58, 74, 87, 111, 116, 148, 174, 222, 348, 444, 1073, 2146, 3219, 4292, 6438

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12865 and 12876. The biggest common factor number is the GCF number.
So the greatest common factor 12865 and 12876 is 1.

Also check out the Least Common Multiple of 12865 and 12876