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What is the Greatest Common Factor of 682 and 693?

Greatest common factor (GCF) of 682 and 693 is 11.

GCF(682,693) = 11

We will now calculate the prime factors of 682 and 693, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 682 and 693.

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How to find the GCF of 682 and 693?

We will first find the prime factorization of 682 and 693. After we will calculate the factors of 682 and 693 and find the biggest common factor number .

Step-1: Prime Factorization of 682

Prime factors of 682 are 2, 11, 31. Prime factorization of 682 in exponential form is:

682 = 21 × 111 × 311

Step-2: Prime Factorization of 693

Prime factors of 693 are 3, 7, 11. Prime factorization of 693 in exponential form is:

693 = 32 × 71 × 111

Step-3: Factors of 682

List of positive integer factors of 682 that divides 682 without a remainder.

1, 2, 11, 22, 31, 62, 341

Step-4: Factors of 693

List of positive integer factors of 693 that divides 682 without a remainder.

1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 682 and 693. The biggest common factor number is the GCF number.
So the greatest common factor 682 and 693 is 11.

Also check out the Least Common Multiple of 682 and 693