What is the Greatest Common Factor of 12542 and 12556?

Greatest common factor (GCF) of 12542 and 12556 is 2.

GCF(12542,12556) = 2

We will now calculate the prime factors of 12542 and 12556, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12542 and 12556.

How to find the GCF of 12542 and 12556?

We will first find the prime factorization of 12542 and 12556. After we will calculate the factors of 12542 and 12556 and find the biggest common factor number .

Step-1: Prime Factorization of 12542

Prime factors of 12542 are 2, 6271. Prime factorization of 12542 in exponential form is:

12542 = 2¹ × 6271¹

Step-2: Prime Factorization of 12556

Prime factors of 12556 are 2, 43, 73. Prime factorization of 12556 in exponential form is:

12556 = 2² × 43¹ × 73¹

Step-3: Factors of 12542

List of positive integer factors of 12542 that divides 12542 without a remainder.

1, 2, 6271

Step-4: Factors of 12556

List of positive integer factors of 12556 that divides 12542 without a remainder.

1, 2, 4, 43, 73, 86, 146, 172, 292, 3139, 6278

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12542 and 12556. The biggest common factor number is the GCF number.
So the greatest common factor 12542 and 12556 is 2.

Also check out the Least Common Multiple of 12542 and 12556