84.
Some multiples of 7 are: 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84
Some multiples of 7 are: 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84
The multiples of 7 through 84 are 7,14,21,28,35,42,49,56,63,70,77 and 84.
The multiples of 7 up to 100 are: 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91 and 98
7 14 21 28 35 42 49 56 63 70 77 84 and so on
The GCF of 21, 49, and 84 is 7.
7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91, 98
7 14 21 28 35 42 49 56 63 70 77 84 91 ...
7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84.
7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84.
The GCF is 7.