What is the Greatest Common Factor of 65505 and 65515?

Greatest common factor (GCF) of 65505 and 65515 is 5.

GCF(65505,65515) = 5

We will now calculate the prime factors of 65505 and 65515, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65505 and 65515.

How to find the GCF of 65505 and 65515?

We will first find the prime factorization of 65505 and 65515. After we will calculate the factors of 65505 and 65515 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 65515

Prime factors of 65515 are 5, 13103. Prime factorization of 65515 in exponential form is:

65515 = 5¹ × 13103¹

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 65515

List of positive integer factors of 65515 that divides 65505 without a remainder.

1, 5, 13103

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65505 and 65515. The biggest common factor number is the GCF number.
So the greatest common factor 65505 and 65515 is 5.

Also check out the Least Common Multiple of 65505 and 65515