What is the Greatest Common Factor of 65505 and 65511?

Greatest common factor (GCF) of 65505 and 65511 is 3.

GCF(65505,65511) = 3

We will now calculate the prime factors of 65505 and 65511, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65505 and 65511.

How to find the GCF of 65505 and 65511?

We will first find the prime factorization of 65505 and 65511. After we will calculate the factors of 65505 and 65511 and find the biggest common factor number .

Step-1: Prime Factorization of 65505

Prime factors of 65505 are 3, 5, 11, 397. Prime factorization of 65505 in exponential form is:

65505 = 3¹ × 5¹ × 11¹ × 397¹

Step-2: Prime Factorization of 65511

Prime factors of 65511 are 3, 29, 251. Prime factorization of 65511 in exponential form is:

65511 = 3² × 29¹ × 251¹

Step-3: Factors of 65505

List of positive integer factors of 65505 that divides 65505 without a remainder.

1, 3, 5, 11, 15, 33, 55, 165, 397, 1191, 1985, 4367, 5955, 13101, 21835

Step-4: Factors of 65511

List of positive integer factors of 65511 that divides 65505 without a remainder.

1, 3, 9, 29, 87, 251, 261, 753, 2259, 7279, 21837

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65505 and 65511. The biggest common factor number is the GCF number.
So the greatest common factor 65505 and 65511 is 3.

Also check out the Least Common Multiple of 65505 and 65511