The GCF is 3.
The GCF is 21.
No.
21, 42, 63, 84, 105, 126, 147, 168, 189, 210.
21, 42, 63, 84, 105,126, 147, 168, 189, 210 :)
GCF(42, 63, 84) = 21.
The first four multiples of 21: 21, 42, 63, 84
It is: 252
The first 5 multiples of 21 are: 21, 42, 63, 84, and 105.
The GCF is 3.
The GCF is 21.
No.
21, 42, 63, 84 and so on.
21, 42, 63, 84, 105, 126, 147, 168, 189, 210.
21, 42, 63, 84.
21, 42, 63, 84.
21, 42, 63. 84