What is the Greatest Common Factor of 21056 and 21068?

Greatest common factor (GCF) of 21056 and 21068 is 4.

GCF(21056,21068) = 4

We will now calculate the prime factors of 21056 and 21068, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 21056 and 21068.

How to find the GCF of 21056 and 21068?

We will first find the prime factorization of 21056 and 21068. After we will calculate the factors of 21056 and 21068 and find the biggest common factor number .

Step-1: Prime Factorization of 21056

Prime factors of 21056 are 2, 7, 47. Prime factorization of 21056 in exponential form is:

21056 = 2⁶ × 7¹ × 47¹

Step-2: Prime Factorization of 21068

Prime factors of 21068 are 2, 23, 229. Prime factorization of 21068 in exponential form is:

21068 = 2² × 23¹ × 229¹

Step-3: Factors of 21056

List of positive integer factors of 21056 that divides 21056 without a remainder.

1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 64, 94, 112, 188, 224, 329, 376, 448, 658, 752, 1316, 1504, 2632, 3008, 5264, 10528

Step-4: Factors of 21068

List of positive integer factors of 21068 that divides 21056 without a remainder.

1, 2, 4, 23, 46, 92, 229, 458, 916, 5267, 10534

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 21056 and 21068. The biggest common factor number is the GCF number.
So the greatest common factor 21056 and 21068 is 4.

Also check out the Least Common Multiple of 21056 and 21068