What is the Greatest Common Factor of 81339 and 81351?

Greatest common factor (GCF) of 81339 and 81351 is 3.

GCF(81339,81351) = 3

We will now calculate the prime factors of 81339 and 81351, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 81339 and 81351.

How to find the GCF of 81339 and 81351?

We will first find the prime factorization of 81339 and 81351. After we will calculate the factors of 81339 and 81351 and find the biggest common factor number .

Step-1: Prime Factorization of 81339

Prime factors of 81339 are 3, 19, 1427. Prime factorization of 81339 in exponential form is:

81339 = 3¹ × 19¹ × 1427¹

Step-2: Prime Factorization of 81351

Prime factors of 81351 are 3, 23, 131. Prime factorization of 81351 in exponential form is:

81351 = 3³ × 23¹ × 131¹

Step-3: Factors of 81339

List of positive integer factors of 81339 that divides 81339 without a remainder.

1, 3, 19, 57, 1427, 4281, 27113

Step-4: Factors of 81351

List of positive integer factors of 81351 that divides 81339 without a remainder.

1, 3, 9, 23, 27, 69, 131, 207, 393, 621, 1179, 3013, 3537, 9039, 27117

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 81339 and 81351. The biggest common factor number is the GCF number.
So the greatest common factor 81339 and 81351 is 3.

Also check out the Least Common Multiple of 81339 and 81351