What is the Greatest Common Factor of 12000 and 12015?

Greatest common factor (GCF) of 12000 and 12015 is 15.

GCF(12000,12015) = 15

We will now calculate the prime factors of 12000 and 12015, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12000 and 12015.

How to find the GCF of 12000 and 12015?

We will first find the prime factorization of 12000 and 12015. After we will calculate the factors of 12000 and 12015 and find the biggest common factor number .

Step-1: Prime Factorization of 12000

Prime factors of 12000 are 2, 3, 5. Prime factorization of 12000 in exponential form is:

12000 = 2⁵ × 3¹ × 5³

Step-2: Prime Factorization of 12015

Prime factors of 12015 are 3, 5, 89. Prime factorization of 12015 in exponential form is:

12015 = 3³ × 5¹ × 89¹

Step-3: Factors of 12000

List of positive integer factors of 12000 that divides 12000 without a remainder.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 125, 150, 160, 200, 240, 250, 300, 375, 400, 480, 500, 600, 750, 800, 1000, 1200, 1500, 2000, 2400, 3000, 4000, 6000

Step-4: Factors of 12015

List of positive integer factors of 12015 that divides 12000 without a remainder.

1, 3, 5, 9, 15, 27, 45, 89, 135, 267, 445, 801, 1335, 2403, 4005

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12000 and 12015. The biggest common factor number is the GCF number.
So the greatest common factor 12000 and 12015 is 15.

Also check out the Least Common Multiple of 12000 and 12015