What is the Greatest Common Factor of 677 and 687?
Greatest common factor (GCF) of 677 and 687 is 1.
GCF(677,687) = 1
We will now calculate the prime factors of 677 and 687, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 677 and 687.
How to find the GCF of 677 and 687?
We will first find the prime factorization of 677 and 687. After we will calculate the factors of 677 and 687 and find the biggest common factor number .
Step-1: Prime Factorization of 677
Prime factors of 677 are 677. Prime factorization of 677 in exponential form is:
677 = 6771
Step-2: Prime Factorization of 687
Prime factors of 687 are 3, 229. Prime factorization of 687 in exponential form is:
687 = 31 × 2291
Step-3: Factors of 677
List of positive integer factors of 677 that divides 677 without a remainder.
1
Step-4: Factors of 687
List of positive integer factors of 687 that divides 677 without a remainder.
1, 3, 229
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 677 and 687. The biggest common factor number is the GCF number.
So the greatest common factor 677 and 687 is 1.
Also check out the Least Common Multiple of 677 and 687
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