What is the Greatest Common Factor of 11515 and 11521?

Greatest common factor (GCF) of 11515 and 11521 is 1.

GCF(11515,11521) = 1

We will now calculate the prime factors of 11515 and 11521, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 11515 and 11521.

How to find the GCF of 11515 and 11521?

We will first find the prime factorization of 11515 and 11521. After we will calculate the factors of 11515 and 11521 and find the biggest common factor number .

Step-1: Prime Factorization of 11515

Prime factors of 11515 are 5, 7, 47. Prime factorization of 11515 in exponential form is:

11515 = 5¹ × 7² × 47¹

Step-2: Prime Factorization of 11521

Prime factors of 11521 are 41, 281. Prime factorization of 11521 in exponential form is:

11521 = 41¹ × 281¹

Step-3: Factors of 11515

List of positive integer factors of 11515 that divides 11515 without a remainder.

1, 5, 7, 35, 47, 49, 235, 245, 329, 1645, 2303

Step-4: Factors of 11521

List of positive integer factors of 11521 that divides 11515 without a remainder.

1, 41, 281

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 11515 and 11521. The biggest common factor number is the GCF number.
So the greatest common factor 11515 and 11521 is 1.

Also check out the Least Common Multiple of 11515 and 11521