What is the Greatest Common Factor of 12160 and 12180?

Greatest common factor (GCF) of 12160 and 12180 is 20.

GCF(12160,12180) = 20

We will now calculate the prime factors of 12160 and 12180, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12160 and 12180.

How to find the GCF of 12160 and 12180?

We will first find the prime factorization of 12160 and 12180. After we will calculate the factors of 12160 and 12180 and find the biggest common factor number .

Step-1: Prime Factorization of 12160

Prime factors of 12160 are 2, 5, 19. Prime factorization of 12160 in exponential form is:

12160 = 2⁷ × 5¹ × 19¹

Step-2: Prime Factorization of 12180

Prime factors of 12180 are 2, 3, 5, 7, 29. Prime factorization of 12180 in exponential form is:

12180 = 2² × 3¹ × 5¹ × 7¹ × 29¹

Step-3: Factors of 12160

List of positive integer factors of 12160 that divides 12160 without a remainder.

1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080

Step-4: Factors of 12180

List of positive integer factors of 12180 that divides 12160 without a remainder.

1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 105, 116, 140, 145, 174, 203, 210, 290, 348, 406, 420, 435, 580, 609, 812, 870, 1015, 1218, 1740, 2030, 2436, 3045, 4060, 6090

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12160 and 12180. The biggest common factor number is the GCF number.
So the greatest common factor 12160 and 12180 is 20.

Also check out the Least Common Multiple of 12160 and 12180