What is the Greatest Common Factor of 11220 and 11238?

Greatest common factor (GCF) of 11220 and 11238 is 6.

GCF(11220,11238) = 6

We will now calculate the prime factors of 11220 and 11238, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 11220 and 11238.

How to find the GCF of 11220 and 11238?

We will first find the prime factorization of 11220 and 11238. After we will calculate the factors of 11220 and 11238 and find the biggest common factor number .

Step-1: Prime Factorization of 11220

Prime factors of 11220 are 2, 3, 5, 11, 17. Prime factorization of 11220 in exponential form is:

11220 = 2² × 3¹ × 5¹ × 11¹ × 17¹

Step-2: Prime Factorization of 11238

Prime factors of 11238 are 2, 3, 1873. Prime factorization of 11238 in exponential form is:

11238 = 2¹ × 3¹ × 1873¹

Step-3: Factors of 11220

List of positive integer factors of 11220 that divides 11220 without a remainder.

1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 60, 66, 68, 85, 102, 110, 132, 165, 170, 187, 204, 220, 255, 330, 340, 374, 510, 561, 660, 748, 935, 1020, 1122, 1870, 2244, 2805, 3740, 5610

Step-4: Factors of 11238

List of positive integer factors of 11238 that divides 11220 without a remainder.

1, 2, 3, 6, 1873, 3746, 5619

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 11220 and 11238. The biggest common factor number is the GCF number.
So the greatest common factor 11220 and 11238 is 6.

Also check out the Least Common Multiple of 11220 and 11238