GCF and LCM Calculator Logo

What is the Greatest Common Factor of 12830 and 12842?

Greatest common factor (GCF) of 12830 and 12842 is 2.

GCF(12830,12842) = 2

We will now calculate the prime factors of 12830 and 12842, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12830 and 12842.

GCF Calculator and
and

How to find the GCF of 12830 and 12842?

We will first find the prime factorization of 12830 and 12842. After we will calculate the factors of 12830 and 12842 and find the biggest common factor number .

Step-1: Prime Factorization of 12830

Prime factors of 12830 are 2, 5, 1283. Prime factorization of 12830 in exponential form is:

12830 = 21 × 51 × 12831

Step-2: Prime Factorization of 12842

Prime factors of 12842 are 2, 6421. Prime factorization of 12842 in exponential form is:

12842 = 21 × 64211

Step-3: Factors of 12830

List of positive integer factors of 12830 that divides 12830 without a remainder.

1, 2, 5, 10, 1283, 2566, 6415

Step-4: Factors of 12842

List of positive integer factors of 12842 that divides 12830 without a remainder.

1, 2, 6421

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12830 and 12842. The biggest common factor number is the GCF number.
So the greatest common factor 12830 and 12842 is 2.

Also check out the Least Common Multiple of 12830 and 12842