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What is the Greatest Common Factor of 12694 and 12705?

Greatest common factor (GCF) of 12694 and 12705 is 11.

GCF(12694,12705) = 11

We will now calculate the prime factors of 12694 and 12705, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12694 and 12705.

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How to find the GCF of 12694 and 12705?

We will first find the prime factorization of 12694 and 12705. After we will calculate the factors of 12694 and 12705 and find the biggest common factor number .

Step-1: Prime Factorization of 12694

Prime factors of 12694 are 2, 11, 577. Prime factorization of 12694 in exponential form is:

12694 = 21 × 111 × 5771

Step-2: Prime Factorization of 12705

Prime factors of 12705 are 3, 5, 7, 11. Prime factorization of 12705 in exponential form is:

12705 = 31 × 51 × 71 × 112

Step-3: Factors of 12694

List of positive integer factors of 12694 that divides 12694 without a remainder.

1, 2, 11, 22, 577, 1154, 6347

Step-4: Factors of 12705

List of positive integer factors of 12705 that divides 12694 without a remainder.

1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 121, 165, 231, 363, 385, 605, 847, 1155, 1815, 2541, 4235

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12694 and 12705. The biggest common factor number is the GCF number.
So the greatest common factor 12694 and 12705 is 11.

Also check out the Least Common Multiple of 12694 and 12705