What is the Greatest Common Factor of 21311 and 21316?

Greatest common factor (GCF) of 21311 and 21316 is 1.

GCF(21311,21316) = 1

We will now calculate the prime factors of 21311 and 21316, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 21311 and 21316.

How to find the GCF of 21311 and 21316?

We will first find the prime factorization of 21311 and 21316. After we will calculate the factors of 21311 and 21316 and find the biggest common factor number .

Step-1: Prime Factorization of 21311

Prime factors of 21311 are 101, 211. Prime factorization of 21311 in exponential form is:

21311 = 101¹ × 211¹

Step-2: Prime Factorization of 21316

Prime factors of 21316 are 2, 73. Prime factorization of 21316 in exponential form is:

21316 = 2² × 73²

Step-3: Factors of 21311

List of positive integer factors of 21311 that divides 21311 without a remainder.

1, 101, 211

Step-4: Factors of 21316

List of positive integer factors of 21316 that divides 21311 without a remainder.

1, 2, 4, 73, 146, 292, 5329, 10658

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 21311 and 21316. The biggest common factor number is the GCF number.
So the greatest common factor 21311 and 21316 is 1.

Also check out the Least Common Multiple of 21311 and 21316