What is the Greatest Common Factor of 65505 and 65521?

Greatest common factor (GCF) of 65505 and 65521 is 1.

GCF(65505,65521) = 1

We will now calculate the prime factors of 65505 and 65521, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65505 and 65521.

How to find the GCF of 65505 and 65521?

We will first find the prime factorization of 65505 and 65521. After we will calculate the factors of 65505 and 65521 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 65521

Prime factors of 65521 are 65521. Prime factorization of 65521 in exponential form is:

65521 = 65521¹

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 65521

List of positive integer factors of 65521 that divides 65505 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65505 and 65521. The biggest common factor number is the GCF number.
So the greatest common factor 65505 and 65521 is 1.

Also check out the Least Common Multiple of 65505 and 65521