Since 42 is a multiple of 7, it is automatically the LCM.
252
42
It is: 168
The LCM of 36 and 42 is 252.
The GCF is 7.
the magic sums are 15, 34, and42
30 = 5 x 6, 42 = 7 x 6. The gcf is therefore 6.
1, 2, 13, 261, 2, 3, 6, 7, 14, 21, 42
2,4,6,8,64564566,6364354555456456
The LCM is: 7
The LCM of 7 and 49 is 49.
The LCM of 1 and 7 is 7.