What is the Greatest Common Factor of 689 and 704?
Greatest common factor (GCF) of 689 and 704 is 1.
GCF(689,704) = 1
We will now calculate the prime factors of 689 and 704, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 689 and 704.
How to find the GCF of 689 and 704?
We will first find the prime factorization of 689 and 704. After we will calculate the factors of 689 and 704 and find the biggest common factor number .
Step-1: Prime Factorization of 689
Prime factors of 689 are 13, 53. Prime factorization of 689 in exponential form is:
689 = 131 × 531
Step-2: Prime Factorization of 704
Prime factors of 704 are 2, 11. Prime factorization of 704 in exponential form is:
704 = 26 × 111
Step-3: Factors of 689
List of positive integer factors of 689 that divides 689 without a remainder.
1, 13, 53
Step-4: Factors of 704
List of positive integer factors of 704 that divides 689 without a remainder.
1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 176, 352
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 689 and 704. The biggest common factor number is the GCF number.
So the greatest common factor 689 and 704 is 1.
Also check out the Least Common Multiple of 689 and 704
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