Respuesta :

Answer:

16

Step-by-step explanation:

-The greatest common factor of 16 and 80 is 16, it is the greatest number that divides evenly into it.

-The factors of 16 are 1,2,4,8,16;

-The factors of 80 are 1,2,4,5,8,10,16,20,40,80

The correct answer is 16
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