What is the Greatest Common Factor of 81729 and 81749?

Greatest common factor (GCF) of 81729 and 81749 is 1.

GCF(81729,81749) = 1

We will now calculate the prime factors of 81729 and 81749, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 81729 and 81749.

How to find the GCF of 81729 and 81749?

We will first find the prime factorization of 81729 and 81749. After we will calculate the factors of 81729 and 81749 and find the biggest common factor number .

Step-1: Prime Factorization of 81729

Prime factors of 81729 are 3, 1009. Prime factorization of 81729 in exponential form is:

81729 = 3⁴ × 1009¹

Step-2: Prime Factorization of 81749

Prime factors of 81749 are 81749. Prime factorization of 81749 in exponential form is:

81749 = 81749¹

Step-3: Factors of 81729

List of positive integer factors of 81729 that divides 81729 without a remainder.

1, 3, 9, 27, 81, 1009, 3027, 9081, 27243

Step-4: Factors of 81749

List of positive integer factors of 81749 that divides 81729 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 81729 and 81749. The biggest common factor number is the GCF number.
So the greatest common factor 81729 and 81749 is 1.

Also check out the Least Common Multiple of 81729 and 81749