What is the greatest common factor for 12, 16, and 28?

Question

Anonymous · Answer

12 = 2 ​ × 2 ​ × 3 16 = 2 ​ × 2 ​ × 2 × 2 28 = 2 ​ × 2 ​ × 7 GCF ( 12 ; 16 ; 28 ) = 2 ​ × 2 ​ = 4 ​ ​

Anonymous · Answer

The greatest common factor (GCF) of the numbers 12, 16, and 28 is 4, found through their prime factorizations. The common prime factor is 2, and the lowest power of 2 is 2 squared, which equals 4. Hence, the GCF is 4. 
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What is the greatest common factor for 12, 16, and 28?

Answer (2)

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