What is the Greatest Common Factor of 81997 and 82009?

Greatest common factor (GCF) of 81997 and 82009 is 1.

GCF(81997,82009) = 1

We will now calculate the prime factors of 81997 and 82009, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 81997 and 82009.

How to find the GCF of 81997 and 82009?

We will first find the prime factorization of 81997 and 82009. After we will calculate the factors of 81997 and 82009 and find the biggest common factor number .

Step-1: Prime Factorization of 81997

Prime factors of 81997 are 167, 491. Prime factorization of 81997 in exponential form is:

81997 = 167¹ × 491¹

Step-2: Prime Factorization of 82009

Prime factors of 82009 are 82009. Prime factorization of 82009 in exponential form is:

82009 = 82009¹

Step-3: Factors of 81997

List of positive integer factors of 81997 that divides 81997 without a remainder.

1, 167, 491

Step-4: Factors of 82009

List of positive integer factors of 82009 that divides 81997 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 81997 and 82009. The biggest common factor number is the GCF number.
So the greatest common factor 81997 and 82009 is 1.

Also check out the Least Common Multiple of 81997 and 82009