What is the Greatest Common Factor of 8205 and 8215?

Greatest common factor (GCF) of 8205 and 8215 is 5.

GCF(8205,8215) = 5

We will now calculate the prime factors of 8205 and 8215, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 8205 and 8215.

How to find the GCF of 8205 and 8215?

We will first find the prime factorization of 8205 and 8215. After we will calculate the factors of 8205 and 8215 and find the biggest common factor number .

Step-1: Prime Factorization of 8205

Prime factors of 8205 are 3, 5, 547. Prime factorization of 8205 in exponential form is:

8205 = 3¹ × 5¹ × 547¹

Step-2: Prime Factorization of 8215

Prime factors of 8215 are 5, 31, 53. Prime factorization of 8215 in exponential form is:

8215 = 5¹ × 31¹ × 53¹

Step-3: Factors of 8205

List of positive integer factors of 8205 that divides 8205 without a remainder.

1, 3, 5, 15, 547, 1641, 2735

Step-4: Factors of 8215

List of positive integer factors of 8215 that divides 8205 without a remainder.

1, 5, 31, 53, 155, 265, 1643

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 8205 and 8215. The biggest common factor number is the GCF number.
So the greatest common factor 8205 and 8215 is 5.

Also check out the Least Common Multiple of 8205 and 8215