What is the Greatest Common Factor of 27209 and 27221?

Greatest common factor (GCF) of 27209 and 27221 is 1.

GCF(27209,27221) = 1

We will now calculate the prime factors of 27209 and 27221, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27209 and 27221.

How to find the GCF of 27209 and 27221?

We will first find the prime factorization of 27209 and 27221. After we will calculate the factors of 27209 and 27221 and find the biggest common factor number .

Step-1: Prime Factorization of 27209

Prime factors of 27209 are 7, 13, 23. Prime factorization of 27209 in exponential form is:

27209 = 7¹ × 13² × 23¹

Step-2: Prime Factorization of 27221

Prime factors of 27221 are 163, 167. Prime factorization of 27221 in exponential form is:

27221 = 163¹ × 167¹

Step-3: Factors of 27209

List of positive integer factors of 27209 that divides 27209 without a remainder.

1, 7, 13, 23, 91, 161, 169, 299, 1183, 2093, 3887

Step-4: Factors of 27221

List of positive integer factors of 27221 that divides 27209 without a remainder.

1, 163, 167

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27209 and 27221. The biggest common factor number is the GCF number.
So the greatest common factor 27209 and 27221 is 1.

Also check out the Least Common Multiple of 27209 and 27221