What is the Greatest Common Factor of 85518 and 85530?

Greatest common factor (GCF) of 85518 and 85530 is 6.

GCF(85518,85530) = 6

We will now calculate the prime factors of 85518 and 85530, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85518 and 85530.

How to find the GCF of 85518 and 85530?

We will first find the prime factorization of 85518 and 85530. After we will calculate the factors of 85518 and 85530 and find the biggest common factor number .

Step-1: Prime Factorization of 85518

Prime factors of 85518 are 2, 3, 4751. Prime factorization of 85518 in exponential form is:

85518 = 2¹ × 3² × 4751¹

Step-2: Prime Factorization of 85530

Prime factors of 85530 are 2, 3, 5, 2851. Prime factorization of 85530 in exponential form is:

85530 = 2¹ × 3¹ × 5¹ × 2851¹

Step-3: Factors of 85518

List of positive integer factors of 85518 that divides 85518 without a remainder.

1, 2, 3, 6, 9, 18, 4751, 9502, 14253, 28506, 42759

Step-4: Factors of 85530

List of positive integer factors of 85530 that divides 85518 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 2851, 5702, 8553, 14255, 17106, 28510, 42765

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85518 and 85530. The biggest common factor number is the GCF number.
So the greatest common factor 85518 and 85530 is 6.

Also check out the Least Common Multiple of 85518 and 85530