The factors of 28 are: 1, 2, 4, 7, 14, 28.
The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42.
The factors of 56 are: 1, 2, 4, 7, 8, 14, 28, 56.
The common factors are: 1, 2, 7, 14
The greatest common factor is 14
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Greatest common factor of 42 and 28 is 14.
Factors of 28... 1,2,4,7,14,28 Factors of 42... 1,2,3,6,7,14,21,42 GCF = 14
The Greatest common factor is 14.
The greatest common factor of 28 and 42 is 7
The GCF is 14.