What is the Greatest Common Factor of 8987 and 8991?

Greatest common factor (GCF) of 8987 and 8991 is 1.

GCF(8987,8991) = 1

We will now calculate the prime factors of 8987 and 8991, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 8987 and 8991.

How to find the GCF of 8987 and 8991?

We will first find the prime factorization of 8987 and 8991. After we will calculate the factors of 8987 and 8991 and find the biggest common factor number .

Step-1: Prime Factorization of 8987

Prime factors of 8987 are 11, 19, 43. Prime factorization of 8987 in exponential form is:

8987 = 11¹ × 19¹ × 43¹

Step-2: Prime Factorization of 8991

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

8991 = 3⁵ × 37¹

Step-3: Factors of 8987

List of positive integer factors of 8987 that divides 8987 without a remainder.

1, 11, 19, 43, 209, 473, 817

Step-4: Factors of 8991

List of positive integer factors of 8991 that divides 8987 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 8987 and 8991. The biggest common factor number is the GCF number.
So the greatest common factor 8987 and 8991 is 1.

Also check out the Least Common Multiple of 8987 and 8991