What is the Greatest Common Factor of 65965 and 65981?

Greatest common factor (GCF) of 65965 and 65981 is 1.

GCF(65965,65981) = 1

We will now calculate the prime factors of 65965 and 65981, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65965 and 65981.

How to find the GCF of 65965 and 65981?

We will first find the prime factorization of 65965 and 65981. After we will calculate the factors of 65965 and 65981 and find the biggest common factor number .

Step-1: Prime Factorization of 65965

Prime factors of 65965 are 5, 79, 167. Prime factorization of 65965 in exponential form is:

65965 = 5¹ × 79¹ × 167¹

Step-2: Prime Factorization of 65981

Prime factors of 65981 are 65981. Prime factorization of 65981 in exponential form is:

65981 = 65981¹

Step-3: Factors of 65965

List of positive integer factors of 65965 that divides 65965 without a remainder.

1, 5, 79, 167, 395, 835, 13193

Step-4: Factors of 65981

List of positive integer factors of 65981 that divides 65965 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65965 and 65981. The biggest common factor number is the GCF number.
So the greatest common factor 65965 and 65981 is 1.

Also check out the Least Common Multiple of 65965 and 65981