What is the Greatest Common Factor of 80421 and 80439?

Greatest common factor (GCF) of 80421 and 80439 is 3.

GCF(80421,80439) = 3

We will now calculate the prime factors of 80421 and 80439, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 80421 and 80439.

How to find the GCF of 80421 and 80439?

We will first find the prime factorization of 80421 and 80439. After we will calculate the factors of 80421 and 80439 and find the biggest common factor number .

Step-1: Prime Factorization of 80421

Prime factors of 80421 are 3, 11, 2437. Prime factorization of 80421 in exponential form is:

80421 = 3¹ × 11¹ × 2437¹

Step-2: Prime Factorization of 80439

Prime factors of 80439 are 3, 26813. Prime factorization of 80439 in exponential form is:

80439 = 3¹ × 26813¹

Step-3: Factors of 80421

List of positive integer factors of 80421 that divides 80421 without a remainder.

1, 3, 11, 33, 2437, 7311, 26807

Step-4: Factors of 80439

List of positive integer factors of 80439 that divides 80421 without a remainder.

1, 3, 26813

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 80421 and 80439. The biggest common factor number is the GCF number.
So the greatest common factor 80421 and 80439 is 3.

Also check out the Least Common Multiple of 80421 and 80439