What is the Greatest Common Factor of 6520 and 6535?

Greatest common factor (GCF) of 6520 and 6535 is 5.

GCF(6520,6535) = 5

We will now calculate the prime factors of 6520 and 6535, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 6520 and 6535.

How to find the GCF of 6520 and 6535?

We will first find the prime factorization of 6520 and 6535. After we will calculate the factors of 6520 and 6535 and find the biggest common factor number .

Step-1: Prime Factorization of 6520

Prime factors of 6520 are 2, 5, 163. Prime factorization of 6520 in exponential form is:

6520 = 2³ × 5¹ × 163¹

Step-2: Prime Factorization of 6535

Prime factors of 6535 are 5, 1307. Prime factorization of 6535 in exponential form is:

6535 = 5¹ × 1307¹

Step-3: Factors of 6520

List of positive integer factors of 6520 that divides 6520 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260

Step-4: Factors of 6535

List of positive integer factors of 6535 that divides 6520 without a remainder.

1, 5, 1307

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 6520 and 6535. The biggest common factor number is the GCF number.
So the greatest common factor 6520 and 6535 is 5.

Also check out the Least Common Multiple of 6520 and 6535