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What is the Greatest Common Factor of 78689 and 78709?

Greatest common factor (GCF) of 78689 and 78709 is 1.

GCF(78689,78709) = 1

We will now calculate the prime factors of 78689 and 78709, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78689 and 78709.

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How to find the GCF of 78689 and 78709?

We will first find the prime factorization of 78689 and 78709. After we will calculate the factors of 78689 and 78709 and find the biggest common factor number .

Step-1: Prime Factorization of 78689

Prime factors of 78689 are 13, 6053. Prime factorization of 78689 in exponential form is:

78689 = 131 × 60531

Step-2: Prime Factorization of 78709

Prime factors of 78709 are 31, 2539. Prime factorization of 78709 in exponential form is:

78709 = 311 × 25391

Step-3: Factors of 78689

List of positive integer factors of 78689 that divides 78689 without a remainder.

1, 13, 6053

Step-4: Factors of 78709

List of positive integer factors of 78709 that divides 78689 without a remainder.

1, 31, 2539

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78689 and 78709. The biggest common factor number is the GCF number.
So the greatest common factor 78689 and 78709 is 1.

Also check out the Least Common Multiple of 78689 and 78709