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What is the Greatest Common Factor of 12983 and 12987?

Greatest common factor (GCF) of 12983 and 12987 is 1.

GCF(12983,12987) = 1

We will now calculate the prime factors of 12983 and 12987, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12983 and 12987.

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How to find the GCF of 12983 and 12987?

We will first find the prime factorization of 12983 and 12987. After we will calculate the factors of 12983 and 12987 and find the biggest common factor number .

Step-1: Prime Factorization of 12983

Prime factors of 12983 are 12983. Prime factorization of 12983 in exponential form is:

12983 = 129831

Step-2: Prime Factorization of 12987

Prime factors of 12987 are 3, 13, 37. Prime factorization of 12987 in exponential form is:

12987 = 33 × 131 × 371

Step-3: Factors of 12983

List of positive integer factors of 12983 that divides 12983 without a remainder.

1

Step-4: Factors of 12987

List of positive integer factors of 12987 that divides 12983 without a remainder.

1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 999, 1443, 4329

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12983 and 12987. The biggest common factor number is the GCF number.
So the greatest common factor 12983 and 12987 is 1.

Also check out the Least Common Multiple of 12983 and 12987