What is the Greatest Common Factor of 11215 and 11221?

Greatest common factor (GCF) of 11215 and 11221 is 1.

GCF(11215,11221) = 1

We will now calculate the prime factors of 11215 and 11221, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 11215 and 11221.

How to find the GCF of 11215 and 11221?

We will first find the prime factorization of 11215 and 11221. After we will calculate the factors of 11215 and 11221 and find the biggest common factor number .

Step-1: Prime Factorization of 11215

Prime factors of 11215 are 5, 2243. Prime factorization of 11215 in exponential form is:

11215 = 5¹ × 2243¹

Step-2: Prime Factorization of 11221

Prime factors of 11221 are 7, 229. Prime factorization of 11221 in exponential form is:

11221 = 7² × 229¹

Step-3: Factors of 11215

List of positive integer factors of 11215 that divides 11215 without a remainder.

1, 5, 2243

Step-4: Factors of 11221

List of positive integer factors of 11221 that divides 11215 without a remainder.

1, 7, 49, 229, 1603

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 11215 and 11221. The biggest common factor number is the GCF number.
So the greatest common factor 11215 and 11221 is 1.

Also check out the Least Common Multiple of 11215 and 11221