What is the Greatest Common Factor of 678 and 697?
Greatest common factor (GCF) of 678 and 697 is 1.
GCF(678,697) = 1
We will now calculate the prime factors of 678 and 697, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 678 and 697.
How to find the GCF of 678 and 697?
We will first find the prime factorization of 678 and 697. After we will calculate the factors of 678 and 697 and find the biggest common factor number .
Step-1: Prime Factorization of 678
Prime factors of 678 are 2, 3, 113. Prime factorization of 678 in exponential form is:
678 = 21 × 31 × 1131
Step-2: Prime Factorization of 697
Prime factors of 697 are 17, 41. Prime factorization of 697 in exponential form is:
697 = 171 × 411
Step-3: Factors of 678
List of positive integer factors of 678 that divides 678 without a remainder.
1, 2, 3, 6, 113, 226, 339
Step-4: Factors of 697
List of positive integer factors of 697 that divides 678 without a remainder.
1, 17, 41
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 678 and 697. The biggest common factor number is the GCF number.
So the greatest common factor 678 and 697 is 1.
Also check out the Least Common Multiple of 678 and 697
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