77
It is: 18
54 72 90
18, 36, 54, 72 etc. figure out the rest your self!!!!
6 = (6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72...) 9 = (9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108...)
They are: 54, 63, 72, 81, 90, 99.
6
18 36 54 72 90 10818, 36, 54, 72, 90, 108
18, 36, 54, 72, 90
18, 36, 54, 72, 90, 108, 126, 144, 162, 180, 198, . . . 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, . . .
18, 36, 54, 72, 90 . . .
It is: 1080
It is: 18
GCF is 18:54 = 18 x 372 = 18 x 490 = 18 x 5
36, 54 and 72
Multiples of 12 are...12, 24, 36, 48, 60, 72, 84, 96, 108Multiples of 18 are...18, 36, 54, 72, 90, 108
They are 18, 36, 54, 72, 90, 108, 126, 144 and 162.
18, 36, 54, 72, 90, 108, 126, 144, 162, 180, 198, 216.