What is the Greatest Common Factor of 8505 and 8511?

Greatest common factor (GCF) of 8505 and 8511 is 3.

GCF(8505,8511) = 3

We will now calculate the prime factors of 8505 and 8511, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 8505 and 8511.

How to find the GCF of 8505 and 8511?

We will first find the prime factorization of 8505 and 8511. After we will calculate the factors of 8505 and 8511 and find the biggest common factor number .

Step-1: Prime Factorization of 8505

Prime factors of 8505 are 3, 5, 7. Prime factorization of 8505 in exponential form is:

8505 = 3⁵ × 5¹ × 7¹

Step-2: Prime Factorization of 8511

Prime factors of 8511 are 3, 2837. Prime factorization of 8511 in exponential form is:

8511 = 3¹ × 2837¹

Step-3: Factors of 8505

List of positive integer factors of 8505 that divides 8505 without a remainder.

1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 945, 1215, 1701, 2835

Step-4: Factors of 8511

List of positive integer factors of 8511 that divides 8505 without a remainder.

1, 3, 2837

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 8505 and 8511. The biggest common factor number is the GCF number.
So the greatest common factor 8505 and 8511 is 3.

Also check out the Least Common Multiple of 8505 and 8511