What is the Greatest Common Factor of 65385 and 65391?

Greatest common factor (GCF) of 65385 and 65391 is 3.

GCF(65385,65391) = 3

We will now calculate the prime factors of 65385 and 65391, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65385 and 65391.

How to find the GCF of 65385 and 65391?

We will first find the prime factorization of 65385 and 65391. After we will calculate the factors of 65385 and 65391 and find the biggest common factor number .

Step-1: Prime Factorization of 65385

Prime factors of 65385 are 3, 5, 1453. Prime factorization of 65385 in exponential form is:

65385 = 3² × 5¹ × 1453¹

Step-2: Prime Factorization of 65391

Prime factors of 65391 are 3, 71, 307. Prime factorization of 65391 in exponential form is:

65391 = 3¹ × 71¹ × 307¹

Step-3: Factors of 65385

List of positive integer factors of 65385 that divides 65385 without a remainder.

1, 3, 5, 9, 15, 45, 1453, 4359, 7265, 13077, 21795

Step-4: Factors of 65391

List of positive integer factors of 65391 that divides 65385 without a remainder.

1, 3, 71, 213, 307, 921, 21797

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65385 and 65391. The biggest common factor number is the GCF number.
So the greatest common factor 65385 and 65391 is 3.

Also check out the Least Common Multiple of 65385 and 65391