What is the Greatest Common Factor of 80391 and 80403?

Greatest common factor (GCF) of 80391 and 80403 is 3.

GCF(80391,80403) = 3

We will now calculate the prime factors of 80391 and 80403, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 80391 and 80403.

How to find the GCF of 80391 and 80403?

We will first find the prime factorization of 80391 and 80403. After we will calculate the factors of 80391 and 80403 and find the biggest common factor number .

Step-1: Prime Factorization of 80391

Prime factors of 80391 are 3, 127, 211. Prime factorization of 80391 in exponential form is:

80391 = 3¹ × 127¹ × 211¹

Step-2: Prime Factorization of 80403

Prime factors of 80403 are 3, 26801. Prime factorization of 80403 in exponential form is:

80403 = 3¹ × 26801¹

Step-3: Factors of 80391

List of positive integer factors of 80391 that divides 80391 without a remainder.

1, 3, 127, 211, 381, 633, 26797

Step-4: Factors of 80403

List of positive integer factors of 80403 that divides 80391 without a remainder.

1, 3, 26801

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 80391 and 80403. The biggest common factor number is the GCF number.
So the greatest common factor 80391 and 80403 is 3.

Also check out the Least Common Multiple of 80391 and 80403