What is the Greatest Common Factor of 3240 and 3260?

Greatest common factor (GCF) of 3240 and 3260 is 20.

GCF(3240,3260) = 20

We will now calculate the prime factors of 3240 and 3260, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3240 and 3260.

How to find the GCF of 3240 and 3260?

We will first find the prime factorization of 3240 and 3260. After we will calculate the factors of 3240 and 3260 and find the biggest common factor number .

Step-1: Prime Factorization of 3240

Prime factors of 3240 are 2, 3, 5. Prime factorization of 3240 in exponential form is:

3240 = 2³ × 3⁴ × 5¹

Step-2: Prime Factorization of 3260

Prime factors of 3260 are 2, 5, 163. Prime factorization of 3260 in exponential form is:

3260 = 2² × 5¹ × 163¹

Step-3: Factors of 3240

List of positive integer factors of 3240 that divides 3240 without a remainder.

1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620

Step-4: Factors of 3260

List of positive integer factors of 3260 that divides 3240 without a remainder.

1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 3240 and 3260. The biggest common factor number is the GCF number.
So the greatest common factor 3240 and 3260 is 20.

Also check out the Least Common Multiple of 3240 and 3260