What is the Greatest Common Factor of 13220 and 13230?

Greatest common factor (GCF) of 13220 and 13230 is 10.

GCF(13220,13230) = 10

We will now calculate the prime factors of 13220 and 13230, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13220 and 13230.

How to find the GCF of 13220 and 13230?

We will first find the prime factorization of 13220 and 13230. After we will calculate the factors of 13220 and 13230 and find the biggest common factor number .

Step-1: Prime Factorization of 13220

Prime factors of 13220 are 2, 5, 661. Prime factorization of 13220 in exponential form is:

13220 = 2² × 5¹ × 661¹

Step-2: Prime Factorization of 13230

Prime factors of 13230 are 2, 3, 5, 7. Prime factorization of 13230 in exponential form is:

13230 = 2¹ × 3³ × 5¹ × 7²

Step-3: Factors of 13220

List of positive integer factors of 13220 that divides 13220 without a remainder.

1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 6610

Step-4: Factors of 13230

List of positive integer factors of 13230 that divides 13220 without a remainder.

1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 315, 378, 441, 490, 630, 735, 882, 945, 1323, 1470, 1890, 2205, 2646, 4410, 6615

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13220 and 13230. The biggest common factor number is the GCF number.
So the greatest common factor 13220 and 13230 is 10.

Also check out the Least Common Multiple of 13220 and 13230