What is the Greatest Common Factor of 21247 and 21263?

Greatest common factor (GCF) of 21247 and 21263 is 1.

GCF(21247,21263) = 1

We will now calculate the prime factors of 21247 and 21263, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 21247 and 21263.

How to find the GCF of 21247 and 21263?

We will first find the prime factorization of 21247 and 21263. After we will calculate the factors of 21247 and 21263 and find the biggest common factor number .

Step-1: Prime Factorization of 21247

Prime factors of 21247 are 21247. Prime factorization of 21247 in exponential form is:

21247 = 21247¹

Step-2: Prime Factorization of 21263

Prime factors of 21263 are 11, 1933. Prime factorization of 21263 in exponential form is:

21263 = 11¹ × 1933¹

Step-3: Factors of 21247

List of positive integer factors of 21247 that divides 21247 without a remainder.

Step-4: Factors of 21263

List of positive integer factors of 21263 that divides 21247 without a remainder.

1, 11, 1933

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 21247 and 21263. The biggest common factor number is the GCF number.
So the greatest common factor 21247 and 21263 is 1.

Also check out the Least Common Multiple of 21247 and 21263