What is the Greatest Common Factor of 12990 and 12994?

Greatest common factor (GCF) of 12990 and 12994 is 2.

GCF(12990,12994) = 2

We will now calculate the prime factors of 12990 and 12994, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12990 and 12994.

How to find the GCF of 12990 and 12994?

We will first find the prime factorization of 12990 and 12994. After we will calculate the factors of 12990 and 12994 and find the biggest common factor number .

Step-1: Prime Factorization of 12990

Prime factors of 12990 are 2, 3, 5, 433. Prime factorization of 12990 in exponential form is:

12990 = 2¹ × 3¹ × 5¹ × 433¹

Step-2: Prime Factorization of 12994

Prime factors of 12994 are 2, 73, 89. Prime factorization of 12994 in exponential form is:

12994 = 2¹ × 73¹ × 89¹

Step-3: Factors of 12990

List of positive integer factors of 12990 that divides 12990 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 433, 866, 1299, 2165, 2598, 4330, 6495

Step-4: Factors of 12994

List of positive integer factors of 12994 that divides 12990 without a remainder.

1, 2, 73, 89, 146, 178, 6497

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12990 and 12994. The biggest common factor number is the GCF number.
So the greatest common factor 12990 and 12994 is 2.

Also check out the Least Common Multiple of 12990 and 12994