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What is the Greatest Common Factor of 12543 and 12559?

Greatest common factor (GCF) of 12543 and 12559 is 1.

GCF(12543,12559) = 1

We will now calculate the prime factors of 12543 and 12559, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12543 and 12559.

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How to find the GCF of 12543 and 12559?

We will first find the prime factorization of 12543 and 12559. After we will calculate the factors of 12543 and 12559 and find the biggest common factor number .

Step-1: Prime Factorization of 12543

Prime factors of 12543 are 3, 37, 113. Prime factorization of 12543 in exponential form is:

12543 = 31 × 371 × 1131

Step-2: Prime Factorization of 12559

Prime factors of 12559 are 19, 661. Prime factorization of 12559 in exponential form is:

12559 = 191 × 6611

Step-3: Factors of 12543

List of positive integer factors of 12543 that divides 12543 without a remainder.

1, 3, 37, 111, 113, 339, 4181

Step-4: Factors of 12559

List of positive integer factors of 12559 that divides 12543 without a remainder.

1, 19, 661

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12543 and 12559. The biggest common factor number is the GCF number.
So the greatest common factor 12543 and 12559 is 1.

Also check out the Least Common Multiple of 12543 and 12559