What is the Greatest Common Factor of 672 and 691?
Greatest common factor (GCF) of 672 and 691 is 1.
GCF(672,691) = 1
We will now calculate the prime factors of 672 and 691, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 672 and 691.
How to find the GCF of 672 and 691?
We will first find the prime factorization of 672 and 691. After we will calculate the factors of 672 and 691 and find the biggest common factor number .
Step-1: Prime Factorization of 672
Prime factors of 672 are 2, 3, 7. Prime factorization of 672 in exponential form is:
672 = 25 × 31 × 71
Step-2: Prime Factorization of 691
Prime factors of 691 are 691. Prime factorization of 691 in exponential form is:
691 = 6911
Step-3: Factors of 672
List of positive integer factors of 672 that divides 672 without a remainder.
1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336
Step-4: Factors of 691
List of positive integer factors of 691 that divides 672 without a remainder.
1
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 672 and 691. The biggest common factor number is the GCF number.
So the greatest common factor 672 and 691 is 1.
Also check out the Least Common Multiple of 672 and 691
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