What is the Greatest Common Factor of 688 and 706?
Greatest common factor (GCF) of 688 and 706 is 2.
GCF(688,706) = 2
We will now calculate the prime factors of 688 and 706, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 688 and 706.
How to find the GCF of 688 and 706?
We will first find the prime factorization of 688 and 706. After we will calculate the factors of 688 and 706 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 706
Prime factors of 706 are 2, 353. Prime factorization of 706 in exponential form is:
706 = 21 × 3531
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 706
List of positive integer factors of 706 that divides 688 without a remainder.
1, 2, 353
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 688 and 706. The biggest common factor number is the GCF number.
So the greatest common factor 688 and 706 is 2.
Also check out the Least Common Multiple of 688 and 706
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