What is the Greatest Common Factor of 3205 and 3215?

Greatest common factor (GCF) of 3205 and 3215 is 5.

GCF(3205,3215) = 5

We will now calculate the prime factors of 3205 and 3215, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3205 and 3215.

How to find the GCF of 3205 and 3215?

We will first find the prime factorization of 3205 and 3215. After we will calculate the factors of 3205 and 3215 and find the biggest common factor number .

Step-1: Prime Factorization of 3205

Prime factors of 3205 are 5, 641. Prime factorization of 3205 in exponential form is:

3205 = 5¹ × 641¹

Step-2: Prime Factorization of 3215

Prime factors of 3215 are 5, 643. Prime factorization of 3215 in exponential form is:

3215 = 5¹ × 643¹

Step-3: Factors of 3205

List of positive integer factors of 3205 that divides 3205 without a remainder.

1, 5, 641

Step-4: Factors of 3215

List of positive integer factors of 3215 that divides 3205 without a remainder.

1, 5, 643

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 3205 and 3215. The biggest common factor number is the GCF number.
So the greatest common factor 3205 and 3215 is 5.

Also check out the Least Common Multiple of 3205 and 3215