What is the Greatest Common Factor of 21242 and 21262?

Greatest common factor (GCF) of 21242 and 21262 is 2.

GCF(21242,21262) = 2

We will now calculate the prime factors of 21242 and 21262, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 21242 and 21262.

How to find the GCF of 21242 and 21262?

We will first find the prime factorization of 21242 and 21262. After we will calculate the factors of 21242 and 21262 and find the biggest common factor number .

Step-1: Prime Factorization of 21242

Prime factors of 21242 are 2, 13, 19, 43. Prime factorization of 21242 in exponential form is:

21242 = 2¹ × 13¹ × 19¹ × 43¹

Step-2: Prime Factorization of 21262

Prime factors of 21262 are 2, 10631. Prime factorization of 21262 in exponential form is:

21262 = 2¹ × 10631¹

Step-3: Factors of 21242

List of positive integer factors of 21242 that divides 21242 without a remainder.

1, 2, 13, 19, 26, 38, 43, 86, 247, 494, 559, 817, 1118, 1634, 10621

Step-4: Factors of 21262

List of positive integer factors of 21262 that divides 21242 without a remainder.

1, 2, 10631

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 21242 and 21262. The biggest common factor number is the GCF number.
So the greatest common factor 21242 and 21262 is 2.

Also check out the Least Common Multiple of 21242 and 21262