0
Anonymous
No because they are all composite numbers
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The GCF is 21.
The LCM of 63 and 84 is 252.
The LCM of 21, 84 and 126 is 252.
0.6667
21, 42, 63, 84, 105, 126, 147, 168, 189, 210, 231, 252, 273, . . .