What is the Greatest Common Factor of 682 and 689?
Greatest common factor (GCF) of 682 and 689 is 1.
GCF(682,689) = 1
We will now calculate the prime factors of 682 and 689, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 682 and 689.
How to find the GCF of 682 and 689?
We will first find the prime factorization of 682 and 689. After we will calculate the factors of 682 and 689 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 689
Prime factors of 689 are 13, 53. Prime factorization of 689 in exponential form is:
689 = 131 × 531
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 689
List of positive integer factors of 689 that divides 682 without a remainder.
1, 13, 53
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 682 and 689. The biggest common factor number is the GCF number.
So the greatest common factor 682 and 689 is 1.
Also check out the Least Common Multiple of 682 and 689
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