1, 2, 4, 7, and 14 *for more question like this go to http://math.about.com/library/blfactorcalc.htm
The common factors of 28 and 84 are 1,2,4,7,14 and 28.
The common factors of 28 and 84 are 1,2,4,7,14 and 28
The GCF of 28 and 84 is 28.
28
28, 56, 84 and so on.
The composite factors of 84 are: 4, 6, 12, 14, 21, 28, 42, 84.
The common factors are: 1, 2, 4, 7, 14, 28
The GCF is 7
28, 56, 84, and all other multiples of 28 that are factors of other numbers are also divisible by 28.
The factors of 84 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, and, 84.
The factors of 84 are: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
The common factors are: 1, 2, 4, 7, 14, 28