What is the Greatest Common Factor of 12328 and 12340?

Greatest common factor (GCF) of 12328 and 12340 is 4.

GCF(12328,12340) = 4

We will now calculate the prime factors of 12328 and 12340, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12328 and 12340.

How to find the GCF of 12328 and 12340?

We will first find the prime factorization of 12328 and 12340. After we will calculate the factors of 12328 and 12340 and find the biggest common factor number .

Step-1: Prime Factorization of 12328

Prime factors of 12328 are 2, 23, 67. Prime factorization of 12328 in exponential form is:

12328 = 2³ × 23¹ × 67¹

Step-2: Prime Factorization of 12340

Prime factors of 12340 are 2, 5, 617. Prime factorization of 12340 in exponential form is:

12340 = 2² × 5¹ × 617¹

Step-3: Factors of 12328

List of positive integer factors of 12328 that divides 12328 without a remainder.

1, 2, 4, 8, 23, 46, 67, 92, 134, 184, 268, 536, 1541, 3082, 6164

Step-4: Factors of 12340

List of positive integer factors of 12340 that divides 12328 without a remainder.

1, 2, 4, 5, 10, 20, 617, 1234, 2468, 3085, 6170

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12328 and 12340. The biggest common factor number is the GCF number.
So the greatest common factor 12328 and 12340 is 4.

Also check out the Least Common Multiple of 12328 and 12340