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What is the Greatest Common Factor of 28108 and 28128?

Greatest common factor (GCF) of 28108 and 28128 is 4.

GCF(28108,28128) = 4

We will now calculate the prime factors of 28108 and 28128, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28108 and 28128.

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How to find the GCF of 28108 and 28128?

We will first find the prime factorization of 28108 and 28128. After we will calculate the factors of 28108 and 28128 and find the biggest common factor number .

Step-1: Prime Factorization of 28108

Prime factors of 28108 are 2, 7027. Prime factorization of 28108 in exponential form is:

28108 = 22 × 70271

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 28108

List of positive integer factors of 28108 that divides 28108 without a remainder.

1, 2, 4, 7027, 14054

Step-4: Factors of 28128

List of positive integer factors of 28128 that divides 28108 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 28108 and 28128. The biggest common factor number is the GCF number.
So the greatest common factor 28108 and 28128 is 4.

Also check out the Least Common Multiple of 28108 and 28128