What is the Greatest Common Factor of 12001 and 12009?

Greatest common factor (GCF) of 12001 and 12009 is 1.

GCF(12001,12009) = 1

We will now calculate the prime factors of 12001 and 12009, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12001 and 12009.

How to find the GCF of 12001 and 12009?

We will first find the prime factorization of 12001 and 12009. After we will calculate the factors of 12001 and 12009 and find the biggest common factor number .

Step-1: Prime Factorization of 12001

Prime factors of 12001 are 11, 1091. Prime factorization of 12001 in exponential form is:

12001 = 11¹ × 1091¹

Step-2: Prime Factorization of 12009

Prime factors of 12009 are 3, 4003. Prime factorization of 12009 in exponential form is:

12009 = 3¹ × 4003¹

Step-3: Factors of 12001

List of positive integer factors of 12001 that divides 12001 without a remainder.

1, 11, 1091

Step-4: Factors of 12009

List of positive integer factors of 12009 that divides 12001 without a remainder.

1, 3, 4003

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12001 and 12009. The biggest common factor number is the GCF number.
So the greatest common factor 12001 and 12009 is 1.

Also check out the Least Common Multiple of 12001 and 12009