Using the greatest common factor, it is found that the greatest possible number of footballs that each could have received is of 6.
In this problem, the amounts of footballs are of 42 and 54, hence:
42 - 54|2
21 - 27|3
7 - 9
Then, gcf(42, 54) = 2 x 3 = 6, which means that the greatest possible number of footballs that each could have received is of 6.
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