What is the Greatest Common Factor of 688 and 695?
Greatest common factor (GCF) of 688 and 695 is 1.
GCF(688,695) = 1
We will now calculate the prime factors of 688 and 695, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 688 and 695.
How to find the GCF of 688 and 695?
We will first find the prime factorization of 688 and 695. After we will calculate the factors of 688 and 695 and find the biggest common factor number .
Step-1: Prime Factorization of 688
Prime factors of 688 are 2, 43. Prime factorization of 688 in exponential form is:
688 = 24 × 431
Step-2: Prime Factorization of 695
Prime factors of 695 are 5, 139. Prime factorization of 695 in exponential form is:
695 = 51 × 1391
Step-3: Factors of 688
List of positive integer factors of 688 that divides 688 without a remainder.
1, 2, 4, 8, 16, 43, 86, 172, 344
Step-4: Factors of 695
List of positive integer factors of 695 that divides 688 without a remainder.
1, 5, 139
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 688 and 695. The biggest common factor number is the GCF number.
So the greatest common factor 688 and 695 is 1.
Also check out the Least Common Multiple of 688 and 695
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