What is the Greatest Common Factor of 21112 and 21118?

Greatest common factor (GCF) of 21112 and 21118 is 2.

GCF(21112,21118) = 2

We will now calculate the prime factors of 21112 and 21118, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 21112 and 21118.

How to find the GCF of 21112 and 21118?

We will first find the prime factorization of 21112 and 21118. After we will calculate the factors of 21112 and 21118 and find the biggest common factor number .

Step-1: Prime Factorization of 21112

Prime factors of 21112 are 2, 7, 13, 29. Prime factorization of 21112 in exponential form is:

21112 = 2³ × 7¹ × 13¹ × 29¹

Step-2: Prime Factorization of 21118

Prime factors of 21118 are 2, 10559. Prime factorization of 21118 in exponential form is:

21118 = 2¹ × 10559¹

Step-3: Factors of 21112

List of positive integer factors of 21112 that divides 21112 without a remainder.

1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 52, 56, 58, 91, 104, 116, 182, 203, 232, 364, 377, 406, 728, 754, 812, 1508, 1624, 2639, 3016, 5278, 10556

Step-4: Factors of 21118

List of positive integer factors of 21118 that divides 21112 without a remainder.

1, 2, 10559

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 21112 and 21118. The biggest common factor number is the GCF number.
So the greatest common factor 21112 and 21118 is 2.

Also check out the Least Common Multiple of 21112 and 21118