What is the Greatest Common Factor of 80391 and 80406?

Greatest common factor (GCF) of 80391 and 80406 is 3.

GCF(80391,80406) = 3

We will now calculate the prime factors of 80391 and 80406, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 80391 and 80406.

How to find the GCF of 80391 and 80406?

We will first find the prime factorization of 80391 and 80406. After we will calculate the factors of 80391 and 80406 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 80406

Prime factors of 80406 are 2, 3, 1489. Prime factorization of 80406 in exponential form is:

80406 = 2¹ × 3³ × 1489¹

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 80406

List of positive integer factors of 80406 that divides 80391 without a remainder.

1, 2, 3, 6, 9, 18, 27, 54, 1489, 2978, 4467, 8934, 13401, 26802, 40203

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 80391 and 80406. The biggest common factor number is the GCF number.
So the greatest common factor 80391 and 80406 is 3.

Also check out the Least Common Multiple of 80391 and 80406