What is the Greatest Common Factor of 21115 and 21133?

Greatest common factor (GCF) of 21115 and 21133 is 1.

GCF(21115,21133) = 1

We will now calculate the prime factors of 21115 and 21133, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 21115 and 21133.

How to find the GCF of 21115 and 21133?

We will first find the prime factorization of 21115 and 21133. After we will calculate the factors of 21115 and 21133 and find the biggest common factor number .

Step-1: Prime Factorization of 21115

Prime factors of 21115 are 5, 41, 103. Prime factorization of 21115 in exponential form is:

21115 = 5¹ × 41¹ × 103¹

Step-2: Prime Factorization of 21133

Prime factors of 21133 are 7, 3019. Prime factorization of 21133 in exponential form is:

21133 = 7¹ × 3019¹

Step-3: Factors of 21115

List of positive integer factors of 21115 that divides 21115 without a remainder.

1, 5, 41, 103, 205, 515, 4223

Step-4: Factors of 21133

List of positive integer factors of 21133 that divides 21115 without a remainder.

1, 7, 3019

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 21115 and 21133. The biggest common factor number is the GCF number.
So the greatest common factor 21115 and 21133 is 1.

Also check out the Least Common Multiple of 21115 and 21133