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What is the Greatest Common Factor of 12728 and 12743?

Greatest common factor (GCF) of 12728 and 12743 is 1.

GCF(12728,12743) = 1

We will now calculate the prime factors of 12728 and 12743, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12728 and 12743.

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How to find the GCF of 12728 and 12743?

We will first find the prime factorization of 12728 and 12743. After we will calculate the factors of 12728 and 12743 and find the biggest common factor number .

Step-1: Prime Factorization of 12728

Prime factors of 12728 are 2, 37, 43. Prime factorization of 12728 in exponential form is:

12728 = 23 × 371 × 431

Step-2: Prime Factorization of 12743

Prime factors of 12743 are 12743. Prime factorization of 12743 in exponential form is:

12743 = 127431

Step-3: Factors of 12728

List of positive integer factors of 12728 that divides 12728 without a remainder.

1, 2, 4, 8, 37, 43, 74, 86, 148, 172, 296, 344, 1591, 3182, 6364

Step-4: Factors of 12743

List of positive integer factors of 12743 that divides 12728 without a remainder.

1

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12728 and 12743. The biggest common factor number is the GCF number.
So the greatest common factor 12728 and 12743 is 1.

Also check out the Least Common Multiple of 12728 and 12743