What is the Greatest Common Factor of 86989 and 86997?

Greatest common factor (GCF) of 86989 and 86997 is 1.

GCF(86989,86997) = 1

We will now calculate the prime factors of 86989 and 86997, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 86989 and 86997.

How to find the GCF of 86989 and 86997?

We will first find the prime factorization of 86989 and 86997. After we will calculate the factors of 86989 and 86997 and find the biggest common factor number .

Step-1: Prime Factorization of 86989

Prime factors of 86989 are 7, 17, 43. Prime factorization of 86989 in exponential form is:

86989 = 7¹ × 17² × 43¹

Step-2: Prime Factorization of 86997

Prime factors of 86997 are 3, 47, 617. Prime factorization of 86997 in exponential form is:

86997 = 3¹ × 47¹ × 617¹

Step-3: Factors of 86989

List of positive integer factors of 86989 that divides 86989 without a remainder.

1, 7, 17, 43, 119, 289, 301, 731, 2023, 5117, 12427

Step-4: Factors of 86997

List of positive integer factors of 86997 that divides 86989 without a remainder.

1, 3, 47, 141, 617, 1851, 28999

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 86989 and 86997. The biggest common factor number is the GCF number.
So the greatest common factor 86989 and 86997 is 1.

Also check out the Least Common Multiple of 86989 and 86997