What is the Greatest Common Factor of 27001 and 27009?

Greatest common factor (GCF) of 27001 and 27009 is 1.

GCF(27001,27009) = 1

We will now calculate the prime factors of 27001 and 27009, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27001 and 27009.

How to find the GCF of 27001 and 27009?

We will first find the prime factorization of 27001 and 27009. After we will calculate the factors of 27001 and 27009 and find the biggest common factor number .

Step-1: Prime Factorization of 27001

Prime factors of 27001 are 13, 31, 67. Prime factorization of 27001 in exponential form is:

27001 = 13¹ × 31¹ × 67¹

Step-2: Prime Factorization of 27009

Prime factors of 27009 are 3, 3001. Prime factorization of 27009 in exponential form is:

27009 = 3² × 3001¹

Step-3: Factors of 27001

List of positive integer factors of 27001 that divides 27001 without a remainder.

1, 13, 31, 67, 403, 871, 2077

Step-4: Factors of 27009

List of positive integer factors of 27009 that divides 27001 without a remainder.

1, 3, 9, 3001, 9003

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27001 and 27009. The biggest common factor number is the GCF number.
So the greatest common factor 27001 and 27009 is 1.

Also check out the Least Common Multiple of 27001 and 27009