What is the Greatest Common Factor of 664 and 676?
Greatest common factor (GCF) of 664 and 676 is 4.
GCF(664,676) = 4
We will now calculate the prime factors of 664 and 676, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 664 and 676.
How to find the GCF of 664 and 676?
We will first find the prime factorization of 664 and 676. After we will calculate the factors of 664 and 676 and find the biggest common factor number .
Step-1: Prime Factorization of 664
Prime factors of 664 are 2, 83. Prime factorization of 664 in exponential form is:
664 = 23 × 831
Step-2: Prime Factorization of 676
Prime factors of 676 are 2, 13. Prime factorization of 676 in exponential form is:
676 = 22 × 132
Step-3: Factors of 664
List of positive integer factors of 664 that divides 664 without a remainder.
1, 2, 4, 8, 83, 166, 332
Step-4: Factors of 676
List of positive integer factors of 676 that divides 664 without a remainder.
1, 2, 4, 13, 26, 52, 169, 338
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 664 and 676. The biggest common factor number is the GCF number.
So the greatest common factor 664 and 676 is 4.
Also check out the Least Common Multiple of 664 and 676
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