What is the Greatest Common Factor of 21272 and 21279?

Greatest common factor (GCF) of 21272 and 21279 is 1.

GCF(21272,21279) = 1

We will now calculate the prime factors of 21272 and 21279, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 21272 and 21279.

How to find the GCF of 21272 and 21279?

We will first find the prime factorization of 21272 and 21279. After we will calculate the factors of 21272 and 21279 and find the biggest common factor number .

Step-1: Prime Factorization of 21272

Prime factors of 21272 are 2, 2659. Prime factorization of 21272 in exponential form is:

21272 = 2³ × 2659¹

Step-2: Prime Factorization of 21279

Prime factors of 21279 are 3, 41, 173. Prime factorization of 21279 in exponential form is:

21279 = 3¹ × 41¹ × 173¹

Step-3: Factors of 21272

List of positive integer factors of 21272 that divides 21272 without a remainder.

1, 2, 4, 8, 2659, 5318, 10636

Step-4: Factors of 21279

List of positive integer factors of 21279 that divides 21272 without a remainder.

1, 3, 41, 123, 173, 519, 7093

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 21272 and 21279. The biggest common factor number is the GCF number.
So the greatest common factor 21272 and 21279 is 1.

Also check out the Least Common Multiple of 21272 and 21279