GCF and LCM Calculator Logo

What is the Greatest Common Factor of 28122 and 28128?

Greatest common factor (GCF) of 28122 and 28128 is 6.

GCF(28122,28128) = 6

We will now calculate the prime factors of 28122 and 28128, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28122 and 28128.

GCF Calculator and
and

How to find the GCF of 28122 and 28128?

We will first find the prime factorization of 28122 and 28128. After we will calculate the factors of 28122 and 28128 and find the biggest common factor number .

Step-1: Prime Factorization of 28122

Prime factors of 28122 are 2, 3, 43, 109. Prime factorization of 28122 in exponential form is:

28122 = 21 × 31 × 431 × 1091

Step-2: Prime Factorization of 28128

Prime factors of 28128 are 2, 3, 293. Prime factorization of 28128 in exponential form is:

28128 = 25 × 31 × 2931

Step-3: Factors of 28122

List of positive integer factors of 28122 that divides 28122 without a remainder.

1, 2, 3, 6, 43, 86, 109, 129, 218, 258, 327, 654, 4687, 9374, 14061

Step-4: Factors of 28128

List of positive integer factors of 28128 that divides 28122 without a remainder.

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 293, 586, 879, 1172, 1758, 2344, 3516, 4688, 7032, 9376, 14064

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28122 and 28128. The biggest common factor number is the GCF number.
So the greatest common factor 28122 and 28128 is 6.

Also check out the Least Common Multiple of 28122 and 28128