What is the Greatest Common Factor of 12320 and 12339?

Greatest common factor (GCF) of 12320 and 12339 is 1.

GCF(12320,12339) = 1

We will now calculate the prime factors of 12320 and 12339, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12320 and 12339.

How to find the GCF of 12320 and 12339?

We will first find the prime factorization of 12320 and 12339. After we will calculate the factors of 12320 and 12339 and find the biggest common factor number .

Step-1: Prime Factorization of 12320

Prime factors of 12320 are 2, 5, 7, 11. Prime factorization of 12320 in exponential form is:

12320 = 2⁵ × 5¹ × 7¹ × 11¹

Step-2: Prime Factorization of 12339

Prime factors of 12339 are 3, 457. Prime factorization of 12339 in exponential form is:

12339 = 3³ × 457¹

Step-3: Factors of 12320

List of positive integer factors of 12320 that divides 12320 without a remainder.

1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2464, 3080, 6160

Step-4: Factors of 12339

List of positive integer factors of 12339 that divides 12320 without a remainder.

1, 3, 9, 27, 457, 1371, 4113

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12320 and 12339. The biggest common factor number is the GCF number.
So the greatest common factor 12320 and 12339 is 1.

Also check out the Least Common Multiple of 12320 and 12339