What is the Greatest Common Factor of 85515 and 85525?

Greatest common factor (GCF) of 85515 and 85525 is 5.

GCF(85515,85525) = 5

We will now calculate the prime factors of 85515 and 85525, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85515 and 85525.

How to find the GCF of 85515 and 85525?

We will first find the prime factorization of 85515 and 85525. After we will calculate the factors of 85515 and 85525 and find the biggest common factor number .

Step-1: Prime Factorization of 85515

Prime factors of 85515 are 3, 5, 5701. Prime factorization of 85515 in exponential form is:

85515 = 3¹ × 5¹ × 5701¹

Step-2: Prime Factorization of 85525

Prime factors of 85525 are 5, 11, 311. Prime factorization of 85525 in exponential form is:

85525 = 5² × 11¹ × 311¹

Step-3: Factors of 85515

List of positive integer factors of 85515 that divides 85515 without a remainder.

1, 3, 5, 15, 5701, 17103, 28505

Step-4: Factors of 85525

List of positive integer factors of 85525 that divides 85515 without a remainder.

1, 5, 11, 25, 55, 275, 311, 1555, 3421, 7775, 17105

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85515 and 85525. The biggest common factor number is the GCF number.
So the greatest common factor 85515 and 85525 is 5.

Also check out the Least Common Multiple of 85515 and 85525