What is the Greatest Common Factor of 80091 and 80109?

Greatest common factor (GCF) of 80091 and 80109 is 9.

GCF(80091,80109) = 9

We will now calculate the prime factors of 80091 and 80109, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 80091 and 80109.

How to find the GCF of 80091 and 80109?

We will first find the prime factorization of 80091 and 80109. After we will calculate the factors of 80091 and 80109 and find the biggest common factor number .

Step-1: Prime Factorization of 80091

Prime factors of 80091 are 3, 11, 809. Prime factorization of 80091 in exponential form is:

80091 = 3² × 11¹ × 809¹

Step-2: Prime Factorization of 80109

Prime factors of 80109 are 3, 23, 43. Prime factorization of 80109 in exponential form is:

80109 = 3⁴ × 23¹ × 43¹

Step-3: Factors of 80091

List of positive integer factors of 80091 that divides 80091 without a remainder.

1, 3, 9, 11, 33, 99, 809, 2427, 7281, 8899, 26697

Step-4: Factors of 80109

List of positive integer factors of 80109 that divides 80091 without a remainder.

1, 3, 9, 23, 27, 43, 69, 81, 129, 207, 387, 621, 989, 1161, 1863, 2967, 3483, 8901, 26703

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 80091 and 80109. The biggest common factor number is the GCF number.
So the greatest common factor 80091 and 80109 is 9.

Also check out the Least Common Multiple of 80091 and 80109