What is the Greatest Common Factor of 65481 and 65491?

Greatest common factor (GCF) of 65481 and 65491 is 1.

GCF(65481,65491) = 1

We will now calculate the prime factors of 65481 and 65491, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65481 and 65491.

How to find the GCF of 65481 and 65491?

We will first find the prime factorization of 65481 and 65491. After we will calculate the factors of 65481 and 65491 and find the biggest common factor number .

Step-1: Prime Factorization of 65481

Prime factors of 65481 are 3, 13, 23, 73. Prime factorization of 65481 in exponential form is:

65481 = 3¹ × 13¹ × 23¹ × 73¹

Step-2: Prime Factorization of 65491

Prime factors of 65491 are 79, 829. Prime factorization of 65491 in exponential form is:

65491 = 79¹ × 829¹

Step-3: Factors of 65481

List of positive integer factors of 65481 that divides 65481 without a remainder.

1, 3, 13, 23, 39, 69, 73, 219, 299, 897, 949, 1679, 2847, 5037, 21827

Step-4: Factors of 65491

List of positive integer factors of 65491 that divides 65481 without a remainder.

1, 79, 829

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65481 and 65491. The biggest common factor number is the GCF number.
So the greatest common factor 65481 and 65491 is 1.

Also check out the Least Common Multiple of 65481 and 65491