The factors of 51 are: 1, 3, 17, 51
The factors of 75 are: 1, 3, 5, 15, 25, 75
The factors of 81 are: 1, 3, 9, 27, 81
The common factors are: 1, 3
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gcf(54, 75, 81) = 3 54 = 2 x 3^3 75 = 3 x 5^2 81 = 3^4 gcf = 3
3
3
The factors of 75 are:1, 3, 5, 15, 25, 75The factors of 81 are:1, 3, 9, 27, 81The common factors are:1, 3The Greatest Common Factor (GCF) is:3
The GCF is 75.