What is the Greatest Common Factor of 21230 and 21241?

Greatest common factor (GCF) of 21230 and 21241 is 11.

GCF(21230,21241) = 11

We will now calculate the prime factors of 21230 and 21241, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 21230 and 21241.

How to find the GCF of 21230 and 21241?

We will first find the prime factorization of 21230 and 21241. After we will calculate the factors of 21230 and 21241 and find the biggest common factor number .

Step-1: Prime Factorization of 21230

Prime factors of 21230 are 2, 5, 11, 193. Prime factorization of 21230 in exponential form is:

21230 = 2¹ × 5¹ × 11¹ × 193¹

Step-2: Prime Factorization of 21241

Prime factors of 21241 are 11, 1931. Prime factorization of 21241 in exponential form is:

21241 = 11¹ × 1931¹

Step-3: Factors of 21230

List of positive integer factors of 21230 that divides 21230 without a remainder.

1, 2, 5, 10, 11, 22, 55, 110, 193, 386, 965, 1930, 2123, 4246, 10615

Step-4: Factors of 21241

List of positive integer factors of 21241 that divides 21230 without a remainder.

1, 11, 1931

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 21230 and 21241. The biggest common factor number is the GCF number.
So the greatest common factor 21230 and 21241 is 11.

Also check out the Least Common Multiple of 21230 and 21241