What is the Greatest Common Factor of 8991 and 8999?

Greatest common factor (GCF) of 8991 and 8999 is 1.

GCF(8991,8999) = 1

We will now calculate the prime factors of 8991 and 8999, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 8991 and 8999.

How to find the GCF of 8991 and 8999?

We will first find the prime factorization of 8991 and 8999. After we will calculate the factors of 8991 and 8999 and find the biggest common factor number .

Step-1: Prime Factorization of 8991

Prime factors of 8991 are 3, 37. Prime factorization of 8991 in exponential form is:

8991 = 3⁵ × 37¹

Step-2: Prime Factorization of 8999

Prime factors of 8999 are 8999. Prime factorization of 8999 in exponential form is:

8999 = 8999¹

Step-3: Factors of 8991

List of positive integer factors of 8991 that divides 8991 without a remainder.

1, 3, 9, 27, 37, 81, 111, 243, 333, 999, 2997

Step-4: Factors of 8999

List of positive integer factors of 8999 that divides 8991 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 8991 and 8999. The biggest common factor number is the GCF number.
So the greatest common factor 8991 and 8999 is 1.

Also check out the Least Common Multiple of 8991 and 8999