What is the Greatest Common Factor of 68769 and 68781?

Greatest common factor (GCF) of 68769 and 68781 is 3.

GCF(68769,68781) = 3

We will now calculate the prime factors of 68769 and 68781, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68769 and 68781.

How to find the GCF of 68769 and 68781?

We will first find the prime factorization of 68769 and 68781. After we will calculate the factors of 68769 and 68781 and find the biggest common factor number .

Step-1: Prime Factorization of 68769

Prime factors of 68769 are 3, 283. Prime factorization of 68769 in exponential form is:

68769 = 3⁵ × 283¹

Step-2: Prime Factorization of 68781

Prime factors of 68781 are 3, 101, 227. Prime factorization of 68781 in exponential form is:

68781 = 3¹ × 101¹ × 227¹

Step-3: Factors of 68769

List of positive integer factors of 68769 that divides 68769 without a remainder.

1, 3, 9, 27, 81, 243, 283, 849, 2547, 7641, 22923

Step-4: Factors of 68781

List of positive integer factors of 68781 that divides 68769 without a remainder.

1, 3, 101, 227, 303, 681, 22927

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68769 and 68781. The biggest common factor number is the GCF number.
So the greatest common factor 68769 and 68781 is 3.

Also check out the Least Common Multiple of 68769 and 68781