The GCF is 2.
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The factors of 26 are:1, 2, 13, 26The factors of 42 are:1, 2, 3, 6, 7, 14, 21, 42The Greatest Common Factor:GCF = 2
The GCF of 26, 42, and 78 is 2.The factors of 26 are: 1, 2, 13, 26The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42The factors of 78 are: 1, 2, 3, 6, 13, 26, 39, 78The common factors are: 1, 2The Greatest Common Factor (GCF) is: 2
26 = 2 * 13; 42 = 2 * 3 * 7; the greatest common factor is 2
The greatest common factor is 14
Factors of 28... 1,2,4,7,14,28 Factors of 42... 1,2,3,6,7,14,21,42 GCF = 14