What is the Greatest Common Factor of 12299 and 12306?

Greatest common factor (GCF) of 12299 and 12306 is 7.

GCF(12299,12306) = 7

We will now calculate the prime factors of 12299 and 12306, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12299 and 12306.

How to find the GCF of 12299 and 12306?

We will first find the prime factorization of 12299 and 12306. After we will calculate the factors of 12299 and 12306 and find the biggest common factor number .

Step-1: Prime Factorization of 12299

Prime factors of 12299 are 7, 251. Prime factorization of 12299 in exponential form is:

12299 = 7² × 251¹

Step-2: Prime Factorization of 12306

Prime factors of 12306 are 2, 3, 7, 293. Prime factorization of 12306 in exponential form is:

12306 = 2¹ × 3¹ × 7¹ × 293¹

Step-3: Factors of 12299

List of positive integer factors of 12299 that divides 12299 without a remainder.

1, 7, 49, 251, 1757

Step-4: Factors of 12306

List of positive integer factors of 12306 that divides 12299 without a remainder.

1, 2, 3, 6, 7, 14, 21, 42, 293, 586, 879, 1758, 2051, 4102, 6153

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12299 and 12306. The biggest common factor number is the GCF number.
So the greatest common factor 12299 and 12306 is 7.

Also check out the Least Common Multiple of 12299 and 12306