6X7=42 BECAUSE YOU HAVE 6 GROUPS OF 7 SO THAT MAKES IT 42
42
The GCF of 42 and 84 is 42.
42/2, 42/3, 42/4, 42/5, 42/6, 42/7, 42/8 and 42/9.
LCM(14, 42) = 42
7x6=42
42
42 + 42 = 84
You 42 the 42 and 42 more 42's than 42 have been 42 ever 42 before 42 became 42
42 is not a square number but 42^1=42
42
42 + 42 = 84